Home / 112,308.80-168,002.40-101,249.60

Finding the Fourth Proportional to 112,308.80, 168,002.40 and 101,249.60

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Solution

The fourth proportional to 112,308.80, 168,002.40 and 101,249.60 is: 151,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308.80 : 168,002.40 = 101,249.60 : x
  2. Step 2: Convert to fraction form
    112,308.80/168,002.40 = 101,249.60/x
  3. Step 3: Cross multiply
    112,308.80x = 168,002.40 × 101,249.60
  4. Step 4: Simplify right side
    112,308.80x = 17,010,175,799.04
  5. Step 5: Solve for x
    x = 17,010,175,799.04/112,308.80
  6. Step 6: Final answer
    x = 151,458.98

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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.