Home / 144,945.20-217,417.80-134,447.60

Finding the Fourth Proportional to 144,945.20, 217,417.80 and 134,447.60

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Solution

The fourth proportional to 144,945.20, 217,417.80 and 134,447.60 is: 201,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,945.20 : 217,417.80 = 134,447.60 : x
  2. Step 2: Convert to fraction form
    144,945.20/217,417.80 = 134,447.60/x
  3. Step 3: Cross multiply
    144,945.20x = 217,417.80 × 134,447.60
  4. Step 4: Simplify right side
    144,945.20x = 29,231,301,407.28
  5. Step 5: Solve for x
    x = 29,231,301,407.28/144,945.20
  6. Step 6: Final answer
    x = 201,671.40

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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.