Home / 79,444.18-119,166.23-20,279.83

Finding the Fourth Proportional to 79,444.18, 119,166.23 and 20,279.83

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Solution

The fourth proportional to 79,444.18, 119,166.23 and 20,279.83 is: 30,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,444.18 : 119,166.23 = 20,279.83 : x
  2. Step 2: Convert to fraction form
    79,444.18/119,166.23 = 20,279.83/x
  3. Step 3: Cross multiply
    79,444.18x = 119,166.23 × 20,279.83
  4. Step 4: Simplify right side
    79,444.18x = 2,416,671,060.45
  5. Step 5: Solve for x
    x = 2,416,671,060.45/79,444.18
  6. Step 6: Final answer
    x = 30,419.74

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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.