Home / 91,447.15-126,195.95-51,160.79

Finding the Fourth Proportional to 91,447.15, 126,195.95 and 51,160.79

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Solution

The fourth proportional to 91,447.15, 126,195.95 and 51,160.79 is: 70,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,447.15 : 126,195.95 = 51,160.79 : x
  2. Step 2: Convert to fraction form
    91,447.15/126,195.95 = 51,160.79/x
  3. Step 3: Cross multiply
    91,447.15x = 126,195.95 × 51,160.79
  4. Step 4: Simplify right side
    91,447.15x = 6,456,283,610.02
  5. Step 5: Solve for x
    x = 6,456,283,610.02/91,447.15
  6. Step 6: Final answer
    x = 70,601.26

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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.