Home / 177,918.48-245,616.60-137,540.88

Finding the Fourth Proportional to 177,918.48, 245,616.60 and 137,540.88

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Solution

The fourth proportional to 177,918.48, 245,616.60 and 137,540.88 is: 189,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,918.48 : 245,616.60 = 137,540.88 : x
  2. Step 2: Convert to fraction form
    177,918.48/245,616.60 = 137,540.88/x
  3. Step 3: Cross multiply
    177,918.48x = 245,616.60 × 137,540.88
  4. Step 4: Simplify right side
    177,918.48x = 33,782,323,306.61
  5. Step 5: Solve for x
    x = 33,782,323,306.61/177,918.48
  6. Step 6: Final answer
    x = 189,875.29

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1.5x scale

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.