Home / 91,459.48-126,218.97-51,170.83

Finding the Fourth Proportional to 91,459.48, 126,218.97 and 51,170.83

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Solution

The fourth proportional to 91,459.48, 126,218.97 and 51,170.83 is: 70,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,459.48 : 126,218.97 = 51,170.83 : x
  2. Step 2: Convert to fraction form
    91,459.48/126,218.97 = 51,170.83/x
  3. Step 3: Cross multiply
    91,459.48x = 126,218.97 × 51,170.83
  4. Step 4: Simplify right side
    91,459.48x = 6,458,729,456.65
  5. Step 5: Solve for x
    x = 6,458,729,456.65/91,459.48
  6. Step 6: Final answer
    x = 70,618.48

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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.