Home / 132,881.76-183,378.27-72,451.92

Finding the Fourth Proportional to 132,881.76, 183,378.27 and 72,451.92

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Solution

The fourth proportional to 132,881.76, 183,378.27 and 72,451.92 is: 99,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,881.76 : 183,378.27 = 72,451.92 : x
  2. Step 2: Convert to fraction form
    132,881.76/183,378.27 = 72,451.92/x
  3. Step 3: Cross multiply
    132,881.76x = 183,378.27 × 72,451.92
  4. Step 4: Simplify right side
    132,881.76x = 13,286,107,747.78
  5. Step 5: Solve for x
    x = 13,286,107,747.78/132,881.76
  6. Step 6: Final answer
    x = 99,984.44

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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.