Home / 87,354.28-131,062.16-43,012.18

Finding the Fourth Proportional to 87,354.28, 131,062.16 and 43,012.18

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Solution

The fourth proportional to 87,354.28, 131,062.16 and 43,012.18 is: 64,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,354.28 : 131,062.16 = 43,012.18 : x
  2. Step 2: Convert to fraction form
    87,354.28/131,062.16 = 43,012.18/x
  3. Step 3: Cross multiply
    87,354.28x = 131,062.16 × 43,012.18
  4. Step 4: Simplify right side
    87,354.28x = 5,637,268,561.80
  5. Step 5: Solve for x
    x = 5,637,268,561.80/87,354.28
  6. Step 6: Final answer
    x = 64,533.40

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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.