Home / 177,721.74-245,255.45-97,149.29

Finding the Fourth Proportional to 177,721.74, 245,255.45 and 97,149.29

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Solution

The fourth proportional to 177,721.74, 245,255.45 and 97,149.29 is: 134,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,721.74 : 245,255.45 = 97,149.29 : x
  2. Step 2: Convert to fraction form
    177,721.74/245,255.45 = 97,149.29/x
  3. Step 3: Cross multiply
    177,721.74x = 245,255.45 × 97,149.29
  4. Step 4: Simplify right side
    177,721.74x = 23,826,391,124.11
  5. Step 5: Solve for x
    x = 23,826,391,124.11/177,721.74
  6. Step 6: Final answer
    x = 134,065.71

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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.