Home / 91,459.06-126,206.31-51,169.66

Finding the Fourth Proportional to 91,459.06, 126,206.31 and 51,169.66

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Solution

The fourth proportional to 91,459.06, 126,206.31 and 51,169.66 is: 70,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,459.06 : 126,206.31 = 51,169.66 : x
  2. Step 2: Convert to fraction form
    91,459.06/126,206.31 = 51,169.66/x
  3. Step 3: Cross multiply
    91,459.06x = 126,206.31 × 51,169.66
  4. Step 4: Simplify right side
    91,459.06x = 6,457,933,972.55
  5. Step 5: Solve for x
    x = 6,457,933,972.55/91,459.06
  6. Step 6: Final answer
    x = 70,610.11

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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.