Home / 112,308.30-168,001.65-101,249.10

Finding the Fourth Proportional to 112,308.30, 168,001.65 and 101,249.10

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Solution

The fourth proportional to 112,308.30, 168,001.65 and 101,249.10 is: 151,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308.30 : 168,001.65 = 101,249.10 : x
  2. Step 2: Convert to fraction form
    112,308.30/168,001.65 = 101,249.10/x
  3. Step 3: Cross multiply
    112,308.30x = 168,001.65 × 101,249.10
  4. Step 4: Simplify right side
    112,308.30x = 17,010,015,861.02
  5. Step 5: Solve for x
    x = 17,010,015,861.02/112,308.30
  6. Step 6: Final answer
    x = 151,458.23

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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.