Home / 237,794.20-328,148.90-130,360.56

Finding the Fourth Proportional to 237,794.20, 328,148.90 and 130,360.56

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Solution

The fourth proportional to 237,794.20, 328,148.90 and 130,360.56 is: 179,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,794.20 : 328,148.90 = 130,360.56 : x
  2. Step 2: Convert to fraction form
    237,794.20/328,148.90 = 130,360.56/x
  3. Step 3: Cross multiply
    237,794.20x = 328,148.90 × 130,360.56
  4. Step 4: Simplify right side
    237,794.20x = 42,777,674,367.38
  5. Step 5: Solve for x
    x = 42,777,674,367.38/237,794.20
  6. Step 6: Final answer
    x = 179,893.68

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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.