Home / 124,474.14-171,748.51-79,135.52

Finding the Fourth Proportional to 124,474.14, 171,748.51 and 79,135.52

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Solution

The fourth proportional to 124,474.14, 171,748.51 and 79,135.52 is: 109,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,474.14 : 171,748.51 = 79,135.52 : x
  2. Step 2: Convert to fraction form
    124,474.14/171,748.51 = 79,135.52/x
  3. Step 3: Cross multiply
    124,474.14x = 171,748.51 × 79,135.52
  4. Step 4: Simplify right side
    124,474.14x = 13,591,406,591.49
  5. Step 5: Solve for x
    x = 13,591,406,591.49/124,474.14
  6. Step 6: Final answer
    x = 109,190.60

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Why These Related Problems?

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