Home / 148,354.22-204,732.51-87,915.06

Finding the Fourth Proportional to 148,354.22, 204,732.51 and 87,915.06

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Solution

The fourth proportional to 148,354.22, 204,732.51 and 87,915.06 is: 121,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,354.22 : 204,732.51 = 87,915.06 : x
  2. Step 2: Convert to fraction form
    148,354.22/204,732.51 = 87,915.06/x
  3. Step 3: Cross multiply
    148,354.22x = 204,732.51 × 87,915.06
  4. Step 4: Simplify right side
    148,354.22x = 17,999,070,900.60
  5. Step 5: Solve for x
    x = 17,999,070,900.60/148,354.22
  6. Step 6: Final answer
    x = 121,324.97

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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.