Home / 129,113.49-193,670.39-40,367.46

Finding the Fourth Proportional to 129,113.49, 193,670.39 and 40,367.46

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Solution

The fourth proportional to 129,113.49, 193,670.39 and 40,367.46 is: 60,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,113.49 : 193,670.39 = 40,367.46 : x
  2. Step 2: Convert to fraction form
    129,113.49/193,670.39 = 40,367.46/x
  3. Step 3: Cross multiply
    129,113.49x = 193,670.39 × 40,367.46
  4. Step 4: Simplify right side
    129,113.49x = 7,817,982,548.69
  5. Step 5: Solve for x
    x = 7,817,982,548.69/129,113.49
  6. Step 6: Final answer
    x = 60,551.24

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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.