Home / 133,040.70-199,585.35-54,162.90

Finding the Fourth Proportional to 133,040.70, 199,585.35 and 54,162.90

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Solution

The fourth proportional to 133,040.70, 199,585.35 and 54,162.90 is: 81,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.70 : 199,585.35 = 54,162.90 : x
  2. Step 2: Convert to fraction form
    133,040.70/199,585.35 = 54,162.90/x
  3. Step 3: Cross multiply
    133,040.70x = 199,585.35 × 54,162.90
  4. Step 4: Simplify right side
    133,040.70x = 10,810,121,353.52
  5. Step 5: Solve for x
    x = 10,810,121,353.52/133,040.70
  6. Step 6: Final answer
    x = 81,254.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.