Home / 111,724.90-154,213.60-64,010.02

Finding the Fourth Proportional to 111,724.90, 154,213.60 and 64,010.02

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Solution

The fourth proportional to 111,724.90, 154,213.60 and 64,010.02 is: 88,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,724.90 : 154,213.60 = 64,010.02 : x
  2. Step 2: Convert to fraction form
    111,724.90/154,213.60 = 64,010.02/x
  3. Step 3: Cross multiply
    111,724.90x = 154,213.60 × 64,010.02
  4. Step 4: Simplify right side
    111,724.90x = 9,871,215,620.27
  5. Step 5: Solve for x
    x = 9,871,215,620.27/111,724.90
  6. Step 6: Final answer
    x = 88,352.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.