Home / 126,986.15-175,241.14-70,397.53

Finding the Fourth Proportional to 126,986.15, 175,241.14 and 70,397.53

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Solution

The fourth proportional to 126,986.15, 175,241.14 and 70,397.53 is: 97,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,986.15 : 175,241.14 = 70,397.53 : x
  2. Step 2: Convert to fraction form
    126,986.15/175,241.14 = 70,397.53/x
  3. Step 3: Cross multiply
    126,986.15x = 175,241.14 × 70,397.53
  4. Step 4: Simplify right side
    126,986.15x = 12,336,542,796.29
  5. Step 5: Solve for x
    x = 12,336,542,796.29/126,986.15
  6. Step 6: Final answer
    x = 97,148.72

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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.