Home / 101,943.32-152,767.12-57,475.20

Finding the Fourth Proportional to 101,943.32, 152,767.12 and 57,475.20

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Solution

The fourth proportional to 101,943.32, 152,767.12 and 57,475.20 is: 86,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,943.32 : 152,767.12 = 57,475.20 : x
  2. Step 2: Convert to fraction form
    101,943.32/152,767.12 = 57,475.20/x
  3. Step 3: Cross multiply
    101,943.32x = 152,767.12 × 57,475.20
  4. Step 4: Simplify right side
    101,943.32x = 8,780,320,775.42
  5. Step 5: Solve for x
    x = 8,780,320,775.42/101,943.32
  6. Step 6: Final answer
    x = 86,129.44

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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.