Home / 181,455.76-250,387.06-100,872.96

Finding the Fourth Proportional to 181,455.76, 250,387.06 and 100,872.96

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Solution

The fourth proportional to 181,455.76, 250,387.06 and 100,872.96 is: 139,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,455.76 : 250,387.06 = 100,872.96 : x
  2. Step 2: Convert to fraction form
    181,455.76/250,387.06 = 100,872.96/x
  3. Step 3: Cross multiply
    181,455.76x = 250,387.06 × 100,872.96
  4. Step 4: Simplify right side
    181,455.76x = 25,257,283,887.90
  5. Step 5: Solve for x
    x = 25,257,283,887.90/181,455.76
  6. Step 6: Final answer
    x = 139,192.52

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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.