Home / 137,721.75-206,670.02-58,836.57

Finding the Fourth Proportional to 137,721.75, 206,670.02 and 58,836.57

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Solution

The fourth proportional to 137,721.75, 206,670.02 and 58,836.57 is: 88,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,721.75 : 206,670.02 = 58,836.57 : x
  2. Step 2: Convert to fraction form
    137,721.75/206,670.02 = 58,836.57/x
  3. Step 3: Cross multiply
    137,721.75x = 206,670.02 × 58,836.57
  4. Step 4: Simplify right side
    137,721.75x = 12,159,754,804.45
  5. Step 5: Solve for x
    x = 12,159,754,804.45/137,721.75
  6. Step 6: Final answer
    x = 88,292.19

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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.