Home / 85,311.60-127,967.39-29,152.19

Finding the Fourth Proportional to 85,311.60, 127,967.39 and 29,152.19

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Solution

The fourth proportional to 85,311.60, 127,967.39 and 29,152.19 is: 43,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,311.60 : 127,967.39 = 29,152.19 : x
  2. Step 2: Convert to fraction form
    85,311.60/127,967.39 = 29,152.19/x
  3. Step 3: Cross multiply
    85,311.60x = 127,967.39 × 29,152.19
  4. Step 4: Simplify right side
    85,311.60x = 3,730,529,987.00
  5. Step 5: Solve for x
    x = 3,730,529,987.00/85,311.60
  6. Step 6: Final answer
    x = 43,728.29

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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.