Home / 137,350.61-189,466.45-79,983.17

Finding the Fourth Proportional to 137,350.61, 189,466.45 and 79,983.17

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Solution

The fourth proportional to 137,350.61, 189,466.45 and 79,983.17 is: 110,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,350.61 : 189,466.45 = 79,983.17 : x
  2. Step 2: Convert to fraction form
    137,350.61/189,466.45 = 79,983.17/x
  3. Step 3: Cross multiply
    137,350.61x = 189,466.45 × 79,983.17
  4. Step 4: Simplify right side
    137,350.61x = 15,154,126,132.36
  5. Step 5: Solve for x
    x = 15,154,126,132.36/137,350.61
  6. Step 6: Final answer
    x = 110,331.70

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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.