Home / 220,074.10-329,987.22-70,279.18

Finding the Fourth Proportional to 220,074.10, 329,987.22 and 70,279.18

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Solution

The fourth proportional to 220,074.10, 329,987.22 and 70,279.18 is: 105,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,074.10 : 329,987.22 = 70,279.18 : x
  2. Step 2: Convert to fraction form
    220,074.10/329,987.22 = 70,279.18/x
  3. Step 3: Cross multiply
    220,074.10x = 329,987.22 × 70,279.18
  4. Step 4: Simplify right side
    220,074.10x = 23,191,230,143.56
  5. Step 5: Solve for x
    x = 23,191,230,143.56/220,074.10
  6. Step 6: Final answer
    x = 105,379.19

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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.