Home / 161,565.73-242,348.73-77,306.02

Finding the Fourth Proportional to 161,565.73, 242,348.73 and 77,306.02

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Solution

The fourth proportional to 161,565.73, 242,348.73 and 77,306.02 is: 115,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,565.73 : 242,348.73 = 77,306.02 : x
  2. Step 2: Convert to fraction form
    161,565.73/242,348.73 = 77,306.02/x
  3. Step 3: Cross multiply
    161,565.73x = 242,348.73 × 77,306.02
  4. Step 4: Simplify right side
    161,565.73x = 18,735,015,768.35
  5. Step 5: Solve for x
    x = 18,735,015,768.35/161,565.73
  6. Step 6: Final answer
    x = 115,959.09

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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.