Home / 91,436.62-126,187.29-51,151.05

Finding the Fourth Proportional to 91,436.62, 126,187.29 and 51,151.05

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Solution

The fourth proportional to 91,436.62, 126,187.29 and 51,151.05 is: 70,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,436.62 : 126,187.29 = 51,151.05 : x
  2. Step 2: Convert to fraction form
    91,436.62/126,187.29 = 51,151.05/x
  3. Step 3: Cross multiply
    91,436.62x = 126,187.29 × 51,151.05
  4. Step 4: Simplify right side
    91,436.62x = 6,454,612,124.40
  5. Step 5: Solve for x
    x = 6,454,612,124.40/91,436.62
  6. Step 6: Final answer
    x = 70,591.11

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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.