Home / 86,767.20-130,171.59-29,840.13

Finding the Fourth Proportional to 86,767.20, 130,171.59 and 29,840.13

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Solution

The fourth proportional to 86,767.20, 130,171.59 and 29,840.13 is: 44,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,767.20 : 130,171.59 = 29,840.13 : x
  2. Step 2: Convert to fraction form
    86,767.20/130,171.59 = 29,840.13/x
  3. Step 3: Cross multiply
    86,767.20x = 130,171.59 × 29,840.13
  4. Step 4: Simplify right side
    86,767.20x = 3,884,337,167.91
  5. Step 5: Solve for x
    x = 3,884,337,167.91/86,767.20
  6. Step 6: Final answer
    x = 44,767.34

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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.