Home / 213,624.60-320,626.98-113,867.16

Finding the Fourth Proportional to 213,624.60, 320,626.98 and 113,867.16

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Solution

The fourth proportional to 213,624.60, 320,626.98 and 113,867.16 is: 170,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,624.60 : 320,626.98 = 113,867.16 : x
  2. Step 2: Convert to fraction form
    213,624.60/320,626.98 = 113,867.16/x
  3. Step 3: Cross multiply
    213,624.60x = 320,626.98 × 113,867.16
  4. Step 4: Simplify right side
    213,624.60x = 36,508,883,631.98
  5. Step 5: Solve for x
    x = 36,508,883,631.98/213,624.60
  6. Step 6: Final answer
    x = 170,902.06

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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.