Home / 132,338.52-182,722.50-81,419.76

Finding the Fourth Proportional to 132,338.52, 182,722.50 and 81,419.76

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Solution

The fourth proportional to 132,338.52, 182,722.50 and 81,419.76 is: 112,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,338.52 : 182,722.50 = 81,419.76 : x
  2. Step 2: Convert to fraction form
    132,338.52/182,722.50 = 81,419.76/x
  3. Step 3: Cross multiply
    132,338.52x = 182,722.50 × 81,419.76
  4. Step 4: Simplify right side
    132,338.52x = 14,877,222,096.60
  5. Step 5: Solve for x
    x = 14,877,222,096.60/132,338.52
  6. Step 6: Final answer
    x = 112,417.93

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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.