Home / 89,122.64-133,713.75-29,153.85

Finding the Fourth Proportional to 89,122.64, 133,713.75 and 29,153.85

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Solution

The fourth proportional to 89,122.64, 133,713.75 and 29,153.85 is: 43,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.64 : 133,713.75 = 29,153.85 : x
  2. Step 2: Convert to fraction form
    89,122.64/133,713.75 = 29,153.85/x
  3. Step 3: Cross multiply
    89,122.64x = 133,713.75 × 29,153.85
  4. Step 4: Simplify right side
    89,122.64x = 3,898,270,610.44
  5. Step 5: Solve for x
    x = 3,898,270,610.44/89,122.64
  6. Step 6: Final answer
    x = 43,740.52

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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.