Home / 85,257.18-127,922.62-45,768.18

Finding the Fourth Proportional to 85,257.18, 127,922.62 and 45,768.18

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Solution

The fourth proportional to 85,257.18, 127,922.62 and 45,768.18 is: 68,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.18 : 127,922.62 = 45,768.18 : x
  2. Step 2: Convert to fraction form
    85,257.18/127,922.62 = 45,768.18/x
  3. Step 3: Cross multiply
    85,257.18x = 127,922.62 × 45,768.18
  4. Step 4: Simplify right side
    85,257.18x = 5,854,785,498.23
  5. Step 5: Solve for x
    x = 5,854,785,498.23/85,257.18
  6. Step 6: Final answer
    x = 68,672.05

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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.