Home / 91,595.20-126,406.12-51,306.60

Finding the Fourth Proportional to 91,595.20, 126,406.12 and 51,306.60

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Solution

The fourth proportional to 91,595.20, 126,406.12 and 51,306.60 is: 70,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,595.20 : 126,406.12 = 51,306.60 : x
  2. Step 2: Convert to fraction form
    91,595.20/126,406.12 = 51,306.60/x
  3. Step 3: Cross multiply
    91,595.20x = 126,406.12 × 51,306.60
  4. Step 4: Simplify right side
    91,595.20x = 6,485,468,236.39
  5. Step 5: Solve for x
    x = 6,485,468,236.39/91,595.20
  6. Step 6: Final answer
    x = 70,805.77

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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.