Home / 105,261.20-157,902.43-34,180.87

Finding the Fourth Proportional to 105,261.20, 157,902.43 and 34,180.87

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Solution

The fourth proportional to 105,261.20, 157,902.43 and 34,180.87 is: 51,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,261.20 : 157,902.43 = 34,180.87 : x
  2. Step 2: Convert to fraction form
    105,261.20/157,902.43 = 34,180.87/x
  3. Step 3: Cross multiply
    105,261.20x = 157,902.43 × 34,180.87
  4. Step 4: Simplify right side
    105,261.20x = 5,397,241,472.10
  5. Step 5: Solve for x
    x = 5,397,241,472.10/105,261.20
  6. Step 6: Final answer
    x = 51,274.75

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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.