Home / 181,262.70-250,158.24-100,688.76

Finding the Fourth Proportional to 181,262.70, 250,158.24 and 100,688.76

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Solution

The fourth proportional to 181,262.70, 250,158.24 and 100,688.76 is: 138,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,262.70 : 250,158.24 = 100,688.76 : x
  2. Step 2: Convert to fraction form
    181,262.70/250,158.24 = 100,688.76/x
  3. Step 3: Cross multiply
    181,262.70x = 250,158.24 × 100,688.76
  4. Step 4: Simplify right side
    181,262.70x = 25,188,122,989.38
  5. Step 5: Solve for x
    x = 25,188,122,989.38/181,262.70
  6. Step 6: Final answer
    x = 138,959.22

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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.