Home / 99,590.27-149,429.54-52,194.08

Finding the Fourth Proportional to 99,590.27, 149,429.54 and 52,194.08

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Solution

The fourth proportional to 99,590.27, 149,429.54 and 52,194.08 is: 78,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,590.27 : 149,429.54 = 52,194.08 : x
  2. Step 2: Convert to fraction form
    99,590.27/149,429.54 = 52,194.08/x
  3. Step 3: Cross multiply
    99,590.27x = 149,429.54 × 52,194.08
  4. Step 4: Simplify right side
    99,590.27x = 7,799,337,869.18
  5. Step 5: Solve for x
    x = 7,799,337,869.18/99,590.27
  6. Step 6: Final answer
    x = 78,314.26

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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.