Home / 177,820.14-245,481.03-137,442.66

Finding the Fourth Proportional to 177,820.14, 245,481.03 and 137,442.66

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Solution

The fourth proportional to 177,820.14, 245,481.03 and 137,442.66 is: 189,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,820.14 : 245,481.03 = 137,442.66 : x
  2. Step 2: Convert to fraction form
    177,820.14/245,481.03 = 137,442.66/x
  3. Step 3: Cross multiply
    177,820.14x = 245,481.03 × 137,442.66
  4. Step 4: Simplify right side
    177,820.14x = 33,739,565,742.74
  5. Step 5: Solve for x
    x = 33,739,565,742.74/177,820.14
  6. Step 6: Final answer
    x = 189,739.84

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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.