Home / 148,345.43-204,753.30-84,720.12

Finding the Fourth Proportional to 148,345.43, 204,753.30 and 84,720.12

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Solution

The fourth proportional to 148,345.43, 204,753.30 and 84,720.12 is: 116,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,345.43 : 204,753.30 = 84,720.12 : x
  2. Step 2: Convert to fraction form
    148,345.43/204,753.30 = 84,720.12/x
  3. Step 3: Cross multiply
    148,345.43x = 204,753.30 × 84,720.12
  4. Step 4: Simplify right side
    148,345.43x = 17,346,724,146.40
  5. Step 5: Solve for x
    x = 17,346,724,146.40/148,345.43
  6. Step 6: Final answer
    x = 116,934.68

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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.