Home / 85,325.58-127,990.30-22,148.18

Finding the Fourth Proportional to 85,325.58, 127,990.30 and 22,148.18

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Solution

The fourth proportional to 85,325.58, 127,990.30 and 22,148.18 is: 33,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,325.58 : 127,990.30 = 22,148.18 : x
  2. Step 2: Convert to fraction form
    85,325.58/127,990.30 = 22,148.18/x
  3. Step 3: Cross multiply
    85,325.58x = 127,990.30 × 22,148.18
  4. Step 4: Simplify right side
    85,325.58x = 2,834,752,811.06
  5. Step 5: Solve for x
    x = 2,834,752,811.06/85,325.58
  6. Step 6: Final answer
    x = 33,222.78

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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.