Home / 109,604.32-151,253.64-61,857.52

Finding the Fourth Proportional to 109,604.32, 151,253.64 and 61,857.52

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Solution

The fourth proportional to 109,604.32, 151,253.64 and 61,857.52 is: 85,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,604.32 : 151,253.64 = 61,857.52 : x
  2. Step 2: Convert to fraction form
    109,604.32/151,253.64 = 61,857.52/x
  3. Step 3: Cross multiply
    109,604.32x = 151,253.64 × 61,857.52
  4. Step 4: Simplify right side
    109,604.32x = 9,356,175,061.37
  5. Step 5: Solve for x
    x = 9,356,175,061.37/109,604.32
  6. Step 6: Final answer
    x = 85,363.20

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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.