Home / 100,687.20-151,030.14-34,174.17

Finding the Fourth Proportional to 100,687.20, 151,030.14 and 34,174.17

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Solution

The fourth proportional to 100,687.20, 151,030.14 and 34,174.17 is: 51,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,687.20 : 151,030.14 = 34,174.17 : x
  2. Step 2: Convert to fraction form
    100,687.20/151,030.14 = 34,174.17/x
  3. Step 3: Cross multiply
    100,687.20x = 151,030.14 × 34,174.17
  4. Step 4: Simplify right side
    100,687.20x = 5,161,329,679.48
  5. Step 5: Solve for x
    x = 5,161,329,679.48/100,687.20
  6. Step 6: Final answer
    x = 51,261.03

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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.