Home / 91,140.40-125,773.36-50,854.24

Finding the Fourth Proportional to 91,140.40, 125,773.36 and 50,854.24

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Solution

The fourth proportional to 91,140.40, 125,773.36 and 50,854.24 is: 70,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,140.40 : 125,773.36 = 50,854.24 : x
  2. Step 2: Convert to fraction form
    91,140.40/125,773.36 = 50,854.24/x
  3. Step 3: Cross multiply
    91,140.40x = 125,773.36 × 50,854.24
  4. Step 4: Simplify right side
    91,140.40x = 6,396,108,635.05
  5. Step 5: Solve for x
    x = 6,396,108,635.05/91,140.40
  6. Step 6: Final answer
    x = 70,178.63

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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.