Home / 134,153.60-201,230.40-71,945.60

Finding the Fourth Proportional to 134,153.60, 201,230.40 and 71,945.60

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Solution

The fourth proportional to 134,153.60, 201,230.40 and 71,945.60 is: 107,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,153.60 : 201,230.40 = 71,945.60 : x
  2. Step 2: Convert to fraction form
    134,153.60/201,230.40 = 71,945.60/x
  3. Step 3: Cross multiply
    134,153.60x = 201,230.40 × 71,945.60
  4. Step 4: Simplify right side
    134,153.60x = 14,477,641,866.24
  5. Step 5: Solve for x
    x = 14,477,641,866.24/134,153.60
  6. Step 6: Final answer
    x = 107,918.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.