Home / 109,560.39-151,192.68-61,159.50

Finding the Fourth Proportional to 109,560.39, 151,192.68 and 61,159.50

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Solution

The fourth proportional to 109,560.39, 151,192.68 and 61,159.50 is: 84,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,560.39 : 151,192.68 = 61,159.50 : x
  2. Step 2: Convert to fraction form
    109,560.39/151,192.68 = 61,159.50/x
  3. Step 3: Cross multiply
    109,560.39x = 151,192.68 × 61,159.50
  4. Step 4: Simplify right side
    109,560.39x = 9,246,868,712.46
  5. Step 5: Solve for x
    x = 9,246,868,712.46/109,560.39
  6. Step 6: Final answer
    x = 84,399.74

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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.