Home / 142,770.33-214,117.11-42,908.22

Finding the Fourth Proportional to 142,770.33, 214,117.11 and 42,908.22

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Solution

The fourth proportional to 142,770.33, 214,117.11 and 42,908.22 is: 64,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,770.33 : 214,117.11 = 42,908.22 : x
  2. Step 2: Convert to fraction form
    142,770.33/214,117.11 = 42,908.22/x
  3. Step 3: Cross multiply
    142,770.33x = 214,117.11 × 42,908.22
  4. Step 4: Simplify right side
    142,770.33x = 9,187,384,061.64
  5. Step 5: Solve for x
    x = 9,187,384,061.64/142,770.33
  6. Step 6: Final answer
    x = 64,350.79

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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.