Home / 237,788.26-328,168.50-130,378.78

Finding the Fourth Proportional to 237,788.26, 328,168.50 and 130,378.78

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Solution

The fourth proportional to 237,788.26, 328,168.50 and 130,378.78 is: 179,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,788.26 : 328,168.50 = 130,378.78 : x
  2. Step 2: Convert to fraction form
    237,788.26/328,168.50 = 130,378.78/x
  3. Step 3: Cross multiply
    237,788.26x = 328,168.50 × 130,378.78
  4. Step 4: Simplify right side
    237,788.26x = 42,786,208,664.43
  5. Step 5: Solve for x
    x = 42,786,208,664.43/237,788.26
  6. Step 6: Final answer
    x = 179,934.07

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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.