Home / 177,819.71-245,480.43-137,442.23

Finding the Fourth Proportional to 177,819.71, 245,480.43 and 137,442.23

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Solution

The fourth proportional to 177,819.71, 245,480.43 and 137,442.23 is: 189,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,819.71 : 245,480.43 = 137,442.23 : x
  2. Step 2: Convert to fraction form
    177,819.71/245,480.43 = 137,442.23/x
  3. Step 3: Cross multiply
    177,819.71x = 245,480.43 × 137,442.23
  4. Step 4: Simplify right side
    177,819.71x = 33,739,376,493.16
  5. Step 5: Solve for x
    x = 33,739,376,493.16/177,819.71
  6. Step 6: Final answer
    x = 189,739.24

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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.