Home / 157,961.76-217,846.08-131,061.68

Finding the Fourth Proportional to 157,961.76, 217,846.08 and 131,061.68

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Solution

The fourth proportional to 157,961.76, 217,846.08 and 131,061.68 is: 180,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,961.76 : 217,846.08 = 131,061.68 : x
  2. Step 2: Convert to fraction form
    157,961.76/217,846.08 = 131,061.68/x
  3. Step 3: Cross multiply
    157,961.76x = 217,846.08 × 131,061.68
  4. Step 4: Simplify right side
    157,961.76x = 28,551,273,226.21
  5. Step 5: Solve for x
    x = 28,551,273,226.21/157,961.76
  6. Step 6: Final answer
    x = 180,748.01

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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.