Home / 74,269.91-111,138.75-64,309.04

Finding the Fourth Proportional to 74,269.91, 111,138.75 and 64,309.04

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Solution

The fourth proportional to 74,269.91, 111,138.75 and 64,309.04 is: 96,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,269.91 : 111,138.75 = 64,309.04 : x
  2. Step 2: Convert to fraction form
    74,269.91/111,138.75 = 64,309.04/x
  3. Step 3: Cross multiply
    74,269.91x = 111,138.75 × 64,309.04
  4. Step 4: Simplify right side
    74,269.91x = 7,147,226,180.38
  5. Step 5: Solve for x
    x = 7,147,226,180.38/74,269.91
  6. Step 6: Final answer
    x = 96,233.13

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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.