Home / 177,879.38-245,531.86-127,724.18

Finding the Fourth Proportional to 177,879.38, 245,531.86 and 127,724.18

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Solution

The fourth proportional to 177,879.38, 245,531.86 and 127,724.18 is: 176,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,879.38 : 245,531.86 = 127,724.18 : x
  2. Step 2: Convert to fraction form
    177,879.38/245,531.86 = 127,724.18/x
  3. Step 3: Cross multiply
    177,879.38x = 245,531.86 × 127,724.18
  4. Step 4: Simplify right side
    177,879.38x = 31,360,353,935.41
  5. Step 5: Solve for x
    x = 31,360,353,935.41/177,879.38
  6. Step 6: Final answer
    x = 176,301.24

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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.