Home / 140,092.64-210,138.96-60,112.16

Finding the Fourth Proportional to 140,092.64, 210,138.96 and 60,112.16

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Solution

The fourth proportional to 140,092.64, 210,138.96 and 60,112.16 is: 90,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092.64 : 210,138.96 = 60,112.16 : x
  2. Step 2: Convert to fraction form
    140,092.64/210,138.96 = 60,112.16/x
  3. Step 3: Cross multiply
    140,092.64x = 210,138.96 × 60,112.16
  4. Step 4: Simplify right side
    140,092.64x = 12,631,906,785.75
  5. Step 5: Solve for x
    x = 12,631,906,785.75/140,092.64
  6. Step 6: Final answer
    x = 90,168.24

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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.