Home / 126,380.52-174,405.06-69,791.40

Finding the Fourth Proportional to 126,380.52, 174,405.06 and 69,791.40

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Solution

The fourth proportional to 126,380.52, 174,405.06 and 69,791.40 is: 96,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,380.52 : 174,405.06 = 69,791.40 : x
  2. Step 2: Convert to fraction form
    126,380.52/174,405.06 = 69,791.40/x
  3. Step 3: Cross multiply
    126,380.52x = 174,405.06 × 69,791.40
  4. Step 4: Simplify right side
    126,380.52x = 12,171,973,304.48
  5. Step 5: Solve for x
    x = 12,171,973,304.48/126,380.52
  6. Step 6: Final answer
    x = 96,312.10

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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.