Home / 112,526.62-155,233.87-80,268.37

Finding the Fourth Proportional to 112,526.62, 155,233.87 and 80,268.37

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Solution

The fourth proportional to 112,526.62, 155,233.87 and 80,268.37 is: 110,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,526.62 : 155,233.87 = 80,268.37 : x
  2. Step 2: Convert to fraction form
    112,526.62/155,233.87 = 80,268.37/x
  3. Step 3: Cross multiply
    112,526.62x = 155,233.87 × 80,268.37
  4. Step 4: Simplify right side
    112,526.62x = 12,460,369,713.69
  5. Step 5: Solve for x
    x = 12,460,369,713.69/112,526.62
  6. Step 6: Final answer
    x = 110,732.64

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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.