Home / 91,474.41-126,216.56-51,180.35

Finding the Fourth Proportional to 91,474.41, 126,216.56 and 51,180.35

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Solution

The fourth proportional to 91,474.41, 126,216.56 and 51,180.35 is: 70,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,474.41 : 126,216.56 = 51,180.35 : x
  2. Step 2: Convert to fraction form
    91,474.41/126,216.56 = 51,180.35/x
  3. Step 3: Cross multiply
    91,474.41x = 126,216.56 × 51,180.35
  4. Step 4: Simplify right side
    91,474.41x = 6,459,807,398.89
  5. Step 5: Solve for x
    x = 6,459,807,398.89/91,474.41
  6. Step 6: Final answer
    x = 70,618.74

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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.