Home / 181,203.28-250,068.82-100,631.16

Finding the Fourth Proportional to 181,203.28, 250,068.82 and 100,631.16

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Solution

The fourth proportional to 181,203.28, 250,068.82 and 100,631.16 is: 138,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,203.28 : 250,068.82 = 100,631.16 : x
  2. Step 2: Convert to fraction form
    181,203.28/250,068.82 = 100,631.16/x
  3. Step 3: Cross multiply
    181,203.28x = 250,068.82 × 100,631.16
  4. Step 4: Simplify right side
    181,203.28x = 25,164,715,436.43
  5. Step 5: Solve for x
    x = 25,164,715,436.43/181,203.28
  6. Step 6: Final answer
    x = 138,875.61

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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.