Home / 142,770.30-214,069.05-63,869.82

Finding the Fourth Proportional to 142,770.30, 214,069.05 and 63,869.82

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Solution

The fourth proportional to 142,770.30, 214,069.05 and 63,869.82 is: 95,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,770.30 : 214,069.05 = 63,869.82 : x
  2. Step 2: Convert to fraction form
    142,770.30/214,069.05 = 63,869.82/x
  3. Step 3: Cross multiply
    142,770.30x = 214,069.05 × 63,869.82
  4. Step 4: Simplify right side
    142,770.30x = 13,672,551,691.07
  5. Step 5: Solve for x
    x = 13,672,551,691.07/142,770.30
  6. Step 6: Final answer
    x = 95,766.08

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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.