Home / 135,472.17-186,951.58-75,046.73

Finding the Fourth Proportional to 135,472.17, 186,951.58 and 75,046.73

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Solution

The fourth proportional to 135,472.17, 186,951.58 and 75,046.73 is: 103,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,472.17 : 186,951.58 = 75,046.73 : x
  2. Step 2: Convert to fraction form
    135,472.17/186,951.58 = 75,046.73/x
  3. Step 3: Cross multiply
    135,472.17x = 186,951.58 × 75,046.73
  4. Step 4: Simplify right side
    135,472.17x = 14,030,104,150.76
  5. Step 5: Solve for x
    x = 14,030,104,150.76/135,472.17
  6. Step 6: Final answer
    x = 103,564.47

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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.