Home / 153,778.26-212,219.24-89,242.53

Finding the Fourth Proportional to 153,778.26, 212,219.24 and 89,242.53

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Solution

The fourth proportional to 153,778.26, 212,219.24 and 89,242.53 is: 123,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,778.26 : 212,219.24 = 89,242.53 : x
  2. Step 2: Convert to fraction form
    153,778.26/212,219.24 = 89,242.53/x
  3. Step 3: Cross multiply
    153,778.26x = 212,219.24 × 89,242.53
  4. Step 4: Simplify right side
    153,778.26x = 18,938,981,446.06
  5. Step 5: Solve for x
    x = 18,938,981,446.06/153,778.26
  6. Step 6: Final answer
    x = 123,157.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.