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Finding the Fourth Proportional to 181,804.67, 250,901.84 and 100,132.90

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Solution

The fourth proportional to 181,804.67, 250,901.84 and 100,132.90 is: 138,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,804.67 : 250,901.84 = 100,132.90 : x
  2. Step 2: Convert to fraction form
    181,804.67/250,901.84 = 100,132.90/x
  3. Step 3: Cross multiply
    181,804.67x = 250,901.84 × 100,132.90
  4. Step 4: Simplify right side
    181,804.67x = 25,123,528,981.13
  5. Step 5: Solve for x
    x = 25,123,528,981.13/181,804.67
  6. Step 6: Final answer
    x = 138,189.68

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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.