Home / 112,008.20-168,012.30-96,801.80

Finding the Fourth Proportional to 112,008.20, 168,012.30 and 96,801.80

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Solution

The fourth proportional to 112,008.20, 168,012.30 and 96,801.80 is: 145,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008.20 : 168,012.30 = 96,801.80 : x
  2. Step 2: Convert to fraction form
    112,008.20/168,012.30 = 96,801.80/x
  3. Step 3: Cross multiply
    112,008.20x = 168,012.30 × 96,801.80
  4. Step 4: Simplify right side
    112,008.20x = 16,263,893,062.14
  5. Step 5: Solve for x
    x = 16,263,893,062.14/112,008.20
  6. Step 6: Final answer
    x = 145,202.70

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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.