Home / 161,572.20-242,469-56,391.17

Finding the Fourth Proportional to 161,572.20, 242,469 and 56,391.17

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Solution

The fourth proportional to 161,572.20, 242,469 and 56,391.17 is: 84,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,572.20 : 242,469 = 56,391.17 : x
  2. Step 2: Convert to fraction form
    161,572.20/242,469 = 56,391.17/x
  3. Step 3: Cross multiply
    161,572.20x = 242,469 × 56,391.17
  4. Step 4: Simplify right side
    161,572.20x = 13,673,109,386.39
  5. Step 5: Solve for x
    x = 13,673,109,386.39/161,572.20
  6. Step 6: Final answer
    x = 84,625.39

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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.