Home / 198,264.48-273,621.28-113,397.92

Finding the Fourth Proportional to 198,264.48, 273,621.28 and 113,397.92

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Solution

The fourth proportional to 198,264.48, 273,621.28 and 113,397.92 is: 156,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,264.48 : 273,621.28 = 113,397.92 : x
  2. Step 2: Convert to fraction form
    198,264.48/273,621.28 = 113,397.92/x
  3. Step 3: Cross multiply
    198,264.48x = 273,621.28 × 113,397.92
  4. Step 4: Simplify right side
    198,264.48x = 31,028,084,019.74
  5. Step 5: Solve for x
    x = 31,028,084,019.74/198,264.48
  6. Step 6: Final answer
    x = 156,498.45

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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.