Home / 237,110.68-327,219.78-129,678.76

Finding the Fourth Proportional to 237,110.68, 327,219.78 and 129,678.76

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Solution

The fourth proportional to 237,110.68, 327,219.78 and 129,678.76 is: 178,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,110.68 : 327,219.78 = 129,678.76 : x
  2. Step 2: Convert to fraction form
    237,110.68/327,219.78 = 129,678.76/x
  3. Step 3: Cross multiply
    237,110.68x = 327,219.78 × 129,678.76
  4. Step 4: Simplify right side
    237,110.68x = 42,433,455,317.87
  5. Step 5: Solve for x
    x = 42,433,455,317.87/237,110.68
  6. Step 6: Final answer
    x = 178,960.54

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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.