Home / 158,311.76-218,572.20-141,286.64

Finding the Fourth Proportional to 158,311.76, 218,572.20 and 141,286.64

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Solution

The fourth proportional to 158,311.76, 218,572.20 and 141,286.64 is: 195,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,311.76 : 218,572.20 = 141,286.64 : x
  2. Step 2: Convert to fraction form
    158,311.76/218,572.20 = 141,286.64/x
  3. Step 3: Cross multiply
    158,311.76x = 218,572.20 × 141,286.64
  4. Step 4: Simplify right side
    158,311.76x = 30,881,331,735.41
  5. Step 5: Solve for x
    x = 30,881,331,735.41/158,311.76
  6. Step 6: Final answer
    x = 195,066.57

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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.