Home / 112,149.40-168,294.13-74,735.73

Finding the Fourth Proportional to 112,149.40, 168,294.13 and 74,735.73

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Solution

The fourth proportional to 112,149.40, 168,294.13 and 74,735.73 is: 112,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,149.40 : 168,294.13 = 74,735.73 : x
  2. Step 2: Convert to fraction form
    112,149.40/168,294.13 = 74,735.73/x
  3. Step 3: Cross multiply
    112,149.40x = 168,294.13 × 74,735.73
  4. Step 4: Simplify right side
    112,149.40x = 12,577,584,660.26
  5. Step 5: Solve for x
    x = 12,577,584,660.26/112,149.40
  6. Step 6: Final answer
    x = 112,150.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.