Home / 131,680-197,522.34-42,933.16

Finding the Fourth Proportional to 131,680, 197,522.34 and 42,933.16

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Solution

The fourth proportional to 131,680, 197,522.34 and 42,933.16 is: 64,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,680 : 197,522.34 = 42,933.16 : x
  2. Step 2: Convert to fraction form
    131,680/197,522.34 = 42,933.16/x
  3. Step 3: Cross multiply
    131,680x = 197,522.34 × 42,933.16
  4. Step 4: Simplify right side
    131,680x = 8,480,258,226.79
  5. Step 5: Solve for x
    x = 8,480,258,226.79/131,680
  6. Step 6: Final answer
    x = 64,400.50

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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.