Home / 109,129.15-150,596.71-61,382.53

Finding the Fourth Proportional to 109,129.15, 150,596.71 and 61,382.53

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Solution

The fourth proportional to 109,129.15, 150,596.71 and 61,382.53 is: 84,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,129.15 : 150,596.71 = 61,382.53 : x
  2. Step 2: Convert to fraction form
    109,129.15/150,596.71 = 61,382.53/x
  3. Step 3: Cross multiply
    109,129.15x = 150,596.71 × 61,382.53
  4. Step 4: Simplify right side
    109,129.15x = 9,244,007,069.48
  5. Step 5: Solve for x
    x = 9,244,007,069.48/109,129.15
  6. Step 6: Final answer
    x = 84,707.04

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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.