Home / 85,359.54-128,041.20-22,182.15

Finding the Fourth Proportional to 85,359.54, 128,041.20 and 22,182.15

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Solution

The fourth proportional to 85,359.54, 128,041.20 and 22,182.15 is: 33,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,359.54 : 128,041.20 = 22,182.15 : x
  2. Step 2: Convert to fraction form
    85,359.54/128,041.20 = 22,182.15/x
  3. Step 3: Cross multiply
    85,359.54x = 128,041.20 × 22,182.15
  4. Step 4: Simplify right side
    85,359.54x = 2,840,229,104.58
  5. Step 5: Solve for x
    x = 2,840,229,104.58/85,359.54
  6. Step 6: Final answer
    x = 33,273.72

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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.