Home / 91,427.52-126,180.45-51,151.49

Finding the Fourth Proportional to 91,427.52, 126,180.45 and 51,151.49

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Solution

The fourth proportional to 91,427.52, 126,180.45 and 51,151.49 is: 70,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,427.52 : 126,180.45 = 51,151.49 : x
  2. Step 2: Convert to fraction form
    91,427.52/126,180.45 = 51,151.49/x
  3. Step 3: Cross multiply
    91,427.52x = 126,180.45 × 51,151.49
  4. Step 4: Simplify right side
    91,427.52x = 6,454,318,026.37
  5. Step 5: Solve for x
    x = 6,454,318,026.37/91,427.52
  6. Step 6: Final answer
    x = 70,594.92

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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.