Home / 112,775.62-155,635.42-62,471.38

Finding the Fourth Proportional to 112,775.62, 155,635.42 and 62,471.38

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Solution

The fourth proportional to 112,775.62, 155,635.42 and 62,471.38 is: 86,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,775.62 : 155,635.42 = 62,471.38 : x
  2. Step 2: Convert to fraction form
    112,775.62/155,635.42 = 62,471.38/x
  3. Step 3: Cross multiply
    112,775.62x = 155,635.42 × 62,471.38
  4. Step 4: Simplify right side
    112,775.62x = 9,722,759,464.28
  5. Step 5: Solve for x
    x = 9,722,759,464.28/112,775.62
  6. Step 6: Final answer
    x = 86,213.31

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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.