Home / 112,760.94-155,609.62-61,773.60

Finding the Fourth Proportional to 112,760.94, 155,609.62 and 61,773.60

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Solution

The fourth proportional to 112,760.94, 155,609.62 and 61,773.60 is: 85,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,760.94 : 155,609.62 = 61,773.60 : x
  2. Step 2: Convert to fraction form
    112,760.94/155,609.62 = 61,773.60/x
  3. Step 3: Cross multiply
    112,760.94x = 155,609.62 × 61,773.60
  4. Step 4: Simplify right side
    112,760.94x = 9,612,566,422.03
  5. Step 5: Solve for x
    x = 9,612,566,422.03/112,760.94
  6. Step 6: Final answer
    x = 85,247.31

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1.5x scale

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.