Home / 134,290.40-201,464.40-40,805.60

Finding the Fourth Proportional to 134,290.40, 201,464.40 and 40,805.60

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Solution

The fourth proportional to 134,290.40, 201,464.40 and 40,805.60 is: 61,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,290.40 : 201,464.40 = 40,805.60 : x
  2. Step 2: Convert to fraction form
    134,290.40/201,464.40 = 40,805.60/x
  3. Step 3: Cross multiply
    134,290.40x = 201,464.40 × 40,805.60
  4. Step 4: Simplify right side
    134,290.40x = 8,220,875,720.64
  5. Step 5: Solve for x
    x = 8,220,875,720.64/134,290.40
  6. Step 6: Final answer
    x = 61,217.15

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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.