Home / 112,940.17-169,401.03-38,058.66

Finding the Fourth Proportional to 112,940.17, 169,401.03 and 38,058.66

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Solution

The fourth proportional to 112,940.17, 169,401.03 and 38,058.66 is: 57,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,940.17 : 169,401.03 = 38,058.66 : x
  2. Step 2: Convert to fraction form
    112,940.17/169,401.03 = 38,058.66/x
  3. Step 3: Cross multiply
    112,940.17x = 169,401.03 × 38,058.66
  4. Step 4: Simplify right side
    112,940.17x = 6,447,175,167.12
  5. Step 5: Solve for x
    x = 6,447,175,167.12/112,940.17
  6. Step 6: Final answer
    x = 57,084.87

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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.