Home / 177,820.34-245,481.28-137,442.92

Finding the Fourth Proportional to 177,820.34, 245,481.28 and 137,442.92

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Solution

The fourth proportional to 177,820.34, 245,481.28 and 137,442.92 is: 189,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,820.34 : 245,481.28 = 137,442.92 : x
  2. Step 2: Convert to fraction form
    177,820.34/245,481.28 = 137,442.92/x
  3. Step 3: Cross multiply
    177,820.34x = 245,481.28 × 137,442.92
  4. Step 4: Simplify right side
    177,820.34x = 33,739,663,928.54
  5. Step 5: Solve for x
    x = 33,739,663,928.54/177,820.34
  6. Step 6: Final answer
    x = 189,740.18

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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.