Home / 109,856.46-151,604.49-62,112.63

Finding the Fourth Proportional to 109,856.46, 151,604.49 and 62,112.63

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Solution

The fourth proportional to 109,856.46, 151,604.49 and 62,112.63 is: 85,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,856.46 : 151,604.49 = 62,112.63 : x
  2. Step 2: Convert to fraction form
    109,856.46/151,604.49 = 62,112.63/x
  3. Step 3: Cross multiply
    109,856.46x = 151,604.49 × 62,112.63
  4. Step 4: Simplify right side
    109,856.46x = 9,416,553,593.71
  5. Step 5: Solve for x
    x = 9,416,553,593.71/109,856.46
  6. Step 6: Final answer
    x = 85,716.89

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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.