Home / 109,113.33-163,520.67-82,437.39

Finding the Fourth Proportional to 109,113.33, 163,520.67 and 82,437.39

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Solution

The fourth proportional to 109,113.33, 163,520.67 and 82,437.39 is: 123,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113.33 : 163,520.67 = 82,437.39 : x
  2. Step 2: Convert to fraction form
    109,113.33/163,520.67 = 82,437.39/x
  3. Step 3: Cross multiply
    109,113.33x = 163,520.67 × 82,437.39
  4. Step 4: Simplify right side
    109,113.33x = 13,480,217,245.85
  5. Step 5: Solve for x
    x = 13,480,217,245.85/109,113.33
  6. Step 6: Final answer
    x = 123,543.27

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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.