Home / 108,915.92-163,383.96-42,361.10

Finding the Fourth Proportional to 108,915.92, 163,383.96 and 42,361.10

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Solution

The fourth proportional to 108,915.92, 163,383.96 and 42,361.10 is: 63,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915.92 : 163,383.96 = 42,361.10 : x
  2. Step 2: Convert to fraction form
    108,915.92/163,383.96 = 42,361.10/x
  3. Step 3: Cross multiply
    108,915.92x = 163,383.96 × 42,361.10
  4. Step 4: Simplify right side
    108,915.92x = 6,921,124,267.96
  5. Step 5: Solve for x
    x = 6,921,124,267.96/108,915.92
  6. Step 6: Final answer
    x = 63,545.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.