Home / 112,145.01-168,508.30-84,327.18

Finding the Fourth Proportional to 112,145.01, 168,508.30 and 84,327.18

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Solution

The fourth proportional to 112,145.01, 168,508.30 and 84,327.18 is: 126,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,145.01 : 168,508.30 = 84,327.18 : x
  2. Step 2: Convert to fraction form
    112,145.01/168,508.30 = 84,327.18/x
  3. Step 3: Cross multiply
    112,145.01x = 168,508.30 × 84,327.18
  4. Step 4: Simplify right side
    112,145.01x = 14,209,829,745.59
  5. Step 5: Solve for x
    x = 14,209,829,745.59/112,145.01
  6. Step 6: Final answer
    x = 126,709.43

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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.