Home / 109,386.20-150,965.13-69,098.02

Finding the Fourth Proportional to 109,386.20, 150,965.13 and 69,098.02

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Solution

The fourth proportional to 109,386.20, 150,965.13 and 69,098.02 is: 95,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,386.20 : 150,965.13 = 69,098.02 : x
  2. Step 2: Convert to fraction form
    109,386.20/150,965.13 = 69,098.02/x
  3. Step 3: Cross multiply
    109,386.20x = 150,965.13 × 69,098.02
  4. Step 4: Simplify right side
    109,386.20x = 10,431,391,572.04
  5. Step 5: Solve for x
    x = 10,431,391,572.04/109,386.20
  6. Step 6: Final answer
    x = 95,362.96

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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.