Home / 112,634.07-155,449.16-73,904.46

Finding the Fourth Proportional to 112,634.07, 155,449.16 and 73,904.46

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Solution

The fourth proportional to 112,634.07, 155,449.16 and 73,904.46 is: 101,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,634.07 : 155,449.16 = 73,904.46 : x
  2. Step 2: Convert to fraction form
    112,634.07/155,449.16 = 73,904.46/x
  3. Step 3: Cross multiply
    112,634.07x = 155,449.16 × 73,904.46
  4. Step 4: Simplify right side
    112,634.07x = 11,488,386,227.25
  5. Step 5: Solve for x
    x = 11,488,386,227.25/112,634.07
  6. Step 6: Final answer
    x = 101,997.43

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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.