Home / 132,344.65-182,636.73-71,915.31

Finding the Fourth Proportional to 132,344.65, 182,636.73 and 71,915.31

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Solution

The fourth proportional to 132,344.65, 182,636.73 and 71,915.31 is: 99,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,344.65 : 182,636.73 = 71,915.31 : x
  2. Step 2: Convert to fraction form
    132,344.65/182,636.73 = 71,915.31/x
  3. Step 3: Cross multiply
    132,344.65x = 182,636.73 × 71,915.31
  4. Step 4: Simplify right side
    132,344.65x = 13,134,377,055.34
  5. Step 5: Solve for x
    x = 13,134,377,055.34/132,344.65
  6. Step 6: Final answer
    x = 99,243.73

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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.