Home / 154,660.50-213,427.86-91,002.42

Finding the Fourth Proportional to 154,660.50, 213,427.86 and 91,002.42

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Solution

The fourth proportional to 154,660.50, 213,427.86 and 91,002.42 is: 125,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,660.50 : 213,427.86 = 91,002.42 : x
  2. Step 2: Convert to fraction form
    154,660.50/213,427.86 = 91,002.42/x
  3. Step 3: Cross multiply
    154,660.50x = 213,427.86 × 91,002.42
  4. Step 4: Simplify right side
    154,660.50x = 19,422,451,755.42
  5. Step 5: Solve for x
    x = 19,422,451,755.42/154,660.50
  6. Step 6: Final answer
    x = 125,581.20

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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.