Home / 219,965.40-329,948.10-114,770.70

Finding the Fourth Proportional to 219,965.40, 329,948.10 and 114,770.70

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Solution

The fourth proportional to 219,965.40, 329,948.10 and 114,770.70 is: 172,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,965.40 : 329,948.10 = 114,770.70 : x
  2. Step 2: Convert to fraction form
    219,965.40/329,948.10 = 114,770.70/x
  3. Step 3: Cross multiply
    219,965.40x = 329,948.10 × 114,770.70
  4. Step 4: Simplify right side
    219,965.40x = 37,868,374,400.67
  5. Step 5: Solve for x
    x = 37,868,374,400.67/219,965.40
  6. Step 6: Final answer
    x = 172,156.05

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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.