Home / 198,291.72-296,810.10-127,119.24

Finding the Fourth Proportional to 198,291.72, 296,810.10 and 127,119.24

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Solution

The fourth proportional to 198,291.72, 296,810.10 and 127,119.24 is: 190,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,291.72 : 296,810.10 = 127,119.24 : x
  2. Step 2: Convert to fraction form
    198,291.72/296,810.10 = 127,119.24/x
  3. Step 3: Cross multiply
    198,291.72x = 296,810.10 × 127,119.24
  4. Step 4: Simplify right side
    198,291.72x = 37,730,274,336.32
  5. Step 5: Solve for x
    x = 37,730,274,336.32/198,291.72
  6. Step 6: Final answer
    x = 190,276.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.