Home / 151,609.17-209,211.15-83,625.98

Finding the Fourth Proportional to 151,609.17, 209,211.15 and 83,625.98

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Solution

The fourth proportional to 151,609.17, 209,211.15 and 83,625.98 is: 115,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,609.17 : 209,211.15 = 83,625.98 : x
  2. Step 2: Convert to fraction form
    151,609.17/209,211.15 = 83,625.98/x
  3. Step 3: Cross multiply
    151,609.17x = 209,211.15 × 83,625.98
  4. Step 4: Simplify right side
    151,609.17x = 17,495,486,399.62
  5. Step 5: Solve for x
    x = 17,495,486,399.62/151,609.17
  6. Step 6: Final answer
    x = 115,398.60

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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.