Home / 91,141.74-125,775.38-50,853.15

Finding the Fourth Proportional to 91,141.74, 125,775.38 and 50,853.15

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Solution

The fourth proportional to 91,141.74, 125,775.38 and 50,853.15 is: 70,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,141.74 : 125,775.38 = 50,853.15 : x
  2. Step 2: Convert to fraction form
    91,141.74/125,775.38 = 50,853.15/x
  3. Step 3: Cross multiply
    91,141.74x = 125,775.38 × 50,853.15
  4. Step 4: Simplify right side
    91,141.74x = 6,396,074,392.58
  5. Step 5: Solve for x
    x = 6,396,074,392.58/91,141.74
  6. Step 6: Final answer
    x = 70,177.22

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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.