Home / 109,349.20-150,901.20-61,617.92

Finding the Fourth Proportional to 109,349.20, 150,901.20 and 61,617.92

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Solution

The fourth proportional to 109,349.20, 150,901.20 and 61,617.92 is: 85,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,349.20 : 150,901.20 = 61,617.92 : x
  2. Step 2: Convert to fraction form
    109,349.20/150,901.20 = 61,617.92/x
  3. Step 3: Cross multiply
    109,349.20x = 150,901.20 × 61,617.92
  4. Step 4: Simplify right side
    109,349.20x = 9,298,218,069.50
  5. Step 5: Solve for x
    x = 9,298,218,069.50/109,349.20
  6. Step 6: Final answer
    x = 85,032.34

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1.5x scale

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.