Home / 112,644.38-155,449.74-60,961.49

Finding the Fourth Proportional to 112,644.38, 155,449.74 and 60,961.49

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Solution

The fourth proportional to 112,644.38, 155,449.74 and 60,961.49 is: 84,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,644.38 : 155,449.74 = 60,961.49 : x
  2. Step 2: Convert to fraction form
    112,644.38/155,449.74 = 60,961.49/x
  3. Step 3: Cross multiply
    112,644.38x = 155,449.74 × 60,961.49
  4. Step 4: Simplify right side
    112,644.38x = 9,476,446,993.26
  5. Step 5: Solve for x
    x = 9,476,446,993.26/112,644.38
  6. Step 6: Final answer
    x = 84,127.12

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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.