Home / 108,205.14-163,046.29-88,915.80

Finding the Fourth Proportional to 108,205.14, 163,046.29 and 88,915.80

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Solution

The fourth proportional to 108,205.14, 163,046.29 and 88,915.80 is: 133,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,205.14 : 163,046.29 = 88,915.80 : x
  2. Step 2: Convert to fraction form
    108,205.14/163,046.29 = 88,915.80/x
  3. Step 3: Cross multiply
    108,205.14x = 163,046.29 × 88,915.80
  4. Step 4: Simplify right side
    108,205.14x = 14,497,391,312.38
  5. Step 5: Solve for x
    x = 14,497,391,312.38/108,205.14
  6. Step 6: Final answer
    x = 133,980.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.