Home / 126,365.72-174,414.60-72,681.75

Finding the Fourth Proportional to 126,365.72, 174,414.60 and 72,681.75

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Solution

The fourth proportional to 126,365.72, 174,414.60 and 72,681.75 is: 100,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,365.72 : 174,414.60 = 72,681.75 : x
  2. Step 2: Convert to fraction form
    126,365.72/174,414.60 = 72,681.75/x
  3. Step 3: Cross multiply
    126,365.72x = 174,414.60 × 72,681.75
  4. Step 4: Simplify right side
    126,365.72x = 12,676,758,353.55
  5. Step 5: Solve for x
    x = 12,676,758,353.55/126,365.72
  6. Step 6: Final answer
    x = 100,318.02

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1.5x scale

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.