Home / 137,839.67-190,290.99-92,754.71

Finding the Fourth Proportional to 137,839.67, 190,290.99 and 92,754.71

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Solution

The fourth proportional to 137,839.67, 190,290.99 and 92,754.71 is: 128,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,839.67 : 190,290.99 = 92,754.71 : x
  2. Step 2: Convert to fraction form
    137,839.67/190,290.99 = 92,754.71/x
  3. Step 3: Cross multiply
    137,839.67x = 190,290.99 × 92,754.71
  4. Step 4: Simplify right side
    137,839.67x = 17,650,385,593.06
  5. Step 5: Solve for x
    x = 17,650,385,593.06/137,839.67
  6. Step 6: Final answer
    x = 128,050.11

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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.