Home / 109,318.83-150,857.10-61,572.57

Finding the Fourth Proportional to 109,318.83, 150,857.10 and 61,572.57

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Solution

The fourth proportional to 109,318.83, 150,857.10 and 61,572.57 is: 84,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,318.83 : 150,857.10 = 61,572.57 : x
  2. Step 2: Convert to fraction form
    109,318.83/150,857.10 = 61,572.57/x
  3. Step 3: Cross multiply
    109,318.83x = 150,857.10 × 61,572.57
  4. Step 4: Simplify right side
    109,318.83x = 9,288,659,349.75
  5. Step 5: Solve for x
    x = 9,288,659,349.75/109,318.83
  6. Step 6: Final answer
    x = 84,968.52

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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.