Home / 85,152.60-127,630.35-40,202.46

Finding the Fourth Proportional to 85,152.60, 127,630.35 and 40,202.46

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Solution

The fourth proportional to 85,152.60, 127,630.35 and 40,202.46 is: 60,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152.60 : 127,630.35 = 40,202.46 : x
  2. Step 2: Convert to fraction form
    85,152.60/127,630.35 = 40,202.46/x
  3. Step 3: Cross multiply
    85,152.60x = 127,630.35 × 40,202.46
  4. Step 4: Simplify right side
    85,152.60x = 5,131,054,040.66
  5. Step 5: Solve for x
    x = 5,131,054,040.66/85,152.60
  6. Step 6: Final answer
    x = 60,257.16

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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.