Home / 91,901.40-126,823.96-51,615.22

Finding the Fourth Proportional to 91,901.40, 126,823.96 and 51,615.22

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Solution

The fourth proportional to 91,901.40, 126,823.96 and 51,615.22 is: 71,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,901.40 : 126,823.96 = 51,615.22 : x
  2. Step 2: Convert to fraction form
    91,901.40/126,823.96 = 51,615.22/x
  3. Step 3: Cross multiply
    91,901.40x = 126,823.96 × 51,615.22
  4. Step 4: Simplify right side
    91,901.40x = 6,546,046,596.67
  5. Step 5: Solve for x
    x = 6,546,046,596.67/91,901.40
  6. Step 6: Final answer
    x = 71,229.02

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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.