Home / 109,452.13-151,041.92-61,705.53

Finding the Fourth Proportional to 109,452.13, 151,041.92 and 61,705.53

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Solution

The fourth proportional to 109,452.13, 151,041.92 and 61,705.53 is: 85,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,452.13 : 151,041.92 = 61,705.53 : x
  2. Step 2: Convert to fraction form
    109,452.13/151,041.92 = 61,705.53/x
  3. Step 3: Cross multiply
    109,452.13x = 151,041.92 × 61,705.53
  4. Step 4: Simplify right side
    109,452.13x = 9,320,121,417.29
  5. Step 5: Solve for x
    x = 9,320,121,417.29/109,452.13
  6. Step 6: Final answer
    x = 85,152.49

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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.