Home / 113,066.20-169,599.30-100,235.80

Finding the Fourth Proportional to 113,066.20, 169,599.30 and 100,235.80

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Solution

The fourth proportional to 113,066.20, 169,599.30 and 100,235.80 is: 150,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,066.20 : 169,599.30 = 100,235.80 : x
  2. Step 2: Convert to fraction form
    113,066.20/169,599.30 = 100,235.80/x
  3. Step 3: Cross multiply
    113,066.20x = 169,599.30 × 100,235.80
  4. Step 4: Simplify right side
    113,066.20x = 16,999,921,514.94
  5. Step 5: Solve for x
    x = 16,999,921,514.94/113,066.20
  6. Step 6: Final answer
    x = 150,353.70

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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.