Home / 132,266.61-182,499.53-78,569.73

Finding the Fourth Proportional to 132,266.61, 182,499.53 and 78,569.73

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Solution

The fourth proportional to 132,266.61, 182,499.53 and 78,569.73 is: 108,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,266.61 : 182,499.53 = 78,569.73 : x
  2. Step 2: Convert to fraction form
    132,266.61/182,499.53 = 78,569.73/x
  3. Step 3: Cross multiply
    132,266.61x = 182,499.53 × 78,569.73
  4. Step 4: Simplify right side
    132,266.61x = 14,338,938,404.38
  5. Step 5: Solve for x
    x = 14,338,938,404.38/132,266.61
  6. Step 6: Final answer
    x = 108,409.36

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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.