Home / 137,445.10-206,167.65-106,302.70

Finding the Fourth Proportional to 137,445.10, 206,167.65 and 106,302.70

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Solution

The fourth proportional to 137,445.10, 206,167.65 and 106,302.70 is: 159,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,445.10 : 206,167.65 = 106,302.70 : x
  2. Step 2: Convert to fraction form
    137,445.10/206,167.65 = 106,302.70/x
  3. Step 3: Cross multiply
    137,445.10x = 206,167.65 × 106,302.70
  4. Step 4: Simplify right side
    137,445.10x = 21,916,177,847.66
  5. Step 5: Solve for x
    x = 21,916,177,847.66/137,445.10
  6. Step 6: Final answer
    x = 159,454.05

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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.