Home / 181,439.28-250,385.76-100,874.16

Finding the Fourth Proportional to 181,439.28, 250,385.76 and 100,874.16

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Solution

The fourth proportional to 181,439.28, 250,385.76 and 100,874.16 is: 139,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,439.28 : 250,385.76 = 100,874.16 : x
  2. Step 2: Convert to fraction form
    181,439.28/250,385.76 = 100,874.16/x
  3. Step 3: Cross multiply
    181,439.28x = 250,385.76 × 100,874.16
  4. Step 4: Simplify right side
    181,439.28x = 25,257,453,215.96
  5. Step 5: Solve for x
    x = 25,257,453,215.96/181,439.28
  6. Step 6: Final answer
    x = 139,206.09

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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.