Home / 181,541.80-272,442.30-102,572.20

Finding the Fourth Proportional to 181,541.80, 272,442.30 and 102,572.20

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Solution

The fourth proportional to 181,541.80, 272,442.30 and 102,572.20 is: 153,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,541.80 : 272,442.30 = 102,572.20 : x
  2. Step 2: Convert to fraction form
    181,541.80/272,442.30 = 102,572.20/x
  3. Step 3: Cross multiply
    181,541.80x = 272,442.30 × 102,572.20
  4. Step 4: Simplify right side
    181,541.80x = 27,945,006,084.06
  5. Step 5: Solve for x
    x = 27,945,006,084.06/181,541.80
  6. Step 6: Final answer
    x = 153,931.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.