Home / 115,037.91-172,331.46-75,475.08

Finding the Fourth Proportional to 115,037.91, 172,331.46 and 75,475.08

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Solution

The fourth proportional to 115,037.91, 172,331.46 and 75,475.08 is: 113,064.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037.91 : 172,331.46 = 75,475.08 : x
  2. Step 2: Convert to fraction form
    115,037.91/172,331.46 = 75,475.08/x
  3. Step 3: Cross multiply
    115,037.91x = 172,331.46 × 75,475.08
  4. Step 4: Simplify right side
    115,037.91x = 13,006,730,730.02
  5. Step 5: Solve for x
    x = 13,006,730,730.02/115,037.91
  6. Step 6: Final answer
    x = 113,064.73

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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.