Home / 120,101.22-180,092.25-70,193.88

Finding the Fourth Proportional to 120,101.22, 180,092.25 and 70,193.88

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Solution

The fourth proportional to 120,101.22, 180,092.25 and 70,193.88 is: 105,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,101.22 : 180,092.25 = 70,193.88 : x
  2. Step 2: Convert to fraction form
    120,101.22/180,092.25 = 70,193.88/x
  3. Step 3: Cross multiply
    120,101.22x = 180,092.25 × 70,193.88
  4. Step 4: Simplify right side
    120,101.22x = 12,641,373,785.43
  5. Step 5: Solve for x
    x = 12,641,373,785.43/120,101.22
  6. Step 6: Final answer
    x = 105,256.00

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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.