Home / 109,320.38-150,872.85-63,995.61

Finding the Fourth Proportional to 109,320.38, 150,872.85 and 63,995.61

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Solution

The fourth proportional to 109,320.38, 150,872.85 and 63,995.61 is: 88,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,320.38 : 150,872.85 = 63,995.61 : x
  2. Step 2: Convert to fraction form
    109,320.38/150,872.85 = 63,995.61/x
  3. Step 3: Cross multiply
    109,320.38x = 150,872.85 × 63,995.61
  4. Step 4: Simplify right side
    109,320.38x = 9,655,200,068.19
  5. Step 5: Solve for x
    x = 9,655,200,068.19/109,320.38
  6. Step 6: Final answer
    x = 88,320.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.