Home / 161,572.73-242,359.23-77,313.02

Finding the Fourth Proportional to 161,572.73, 242,359.23 and 77,313.02

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Solution

The fourth proportional to 161,572.73, 242,359.23 and 77,313.02 is: 115,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,572.73 : 242,359.23 = 77,313.02 : x
  2. Step 2: Convert to fraction form
    161,572.73/242,359.23 = 77,313.02/x
  3. Step 3: Cross multiply
    161,572.73x = 242,359.23 × 77,313.02
  4. Step 4: Simplify right side
    161,572.73x = 18,737,523,996.17
  5. Step 5: Solve for x
    x = 18,737,523,996.17/161,572.73
  6. Step 6: Final answer
    x = 115,969.59

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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.