Home / 91,431.18-126,252.90-57,496.46

Finding the Fourth Proportional to 91,431.18, 126,252.90 and 57,496.46

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Solution

The fourth proportional to 91,431.18, 126,252.90 and 57,496.46 is: 79,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,431.18 : 126,252.90 = 57,496.46 : x
  2. Step 2: Convert to fraction form
    91,431.18/126,252.90 = 57,496.46/x
  3. Step 3: Cross multiply
    91,431.18x = 126,252.90 × 57,496.46
  4. Step 4: Simplify right side
    91,431.18x = 7,259,094,183.47
  5. Step 5: Solve for x
    x = 7,259,094,183.47/91,431.18
  6. Step 6: Final answer
    x = 79,394.08

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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.