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Finding the Fourth Proportional to 158,226.46, 218,350.67 and 85,627.67

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Solution

The fourth proportional to 158,226.46, 218,350.67 and 85,627.67 is: 118,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,226.46 : 218,350.67 = 85,627.67 : x
  2. Step 2: Convert to fraction form
    158,226.46/218,350.67 = 85,627.67/x
  3. Step 3: Cross multiply
    158,226.46x = 218,350.67 × 85,627.67
  4. Step 4: Simplify right side
    158,226.46x = 18,696,859,115.04
  5. Step 5: Solve for x
    x = 18,696,859,115.04/158,226.46
  6. Step 6: Final answer
    x = 118,165.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.