Home / 237,750.15-328,128.81-147,135.30

Finding the Fourth Proportional to 237,750.15, 328,128.81 and 147,135.30

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Solution

The fourth proportional to 237,750.15, 328,128.81 and 147,135.30 is: 203,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,750.15 : 328,128.81 = 147,135.30 : x
  2. Step 2: Convert to fraction form
    237,750.15/328,128.81 = 147,135.30/x
  3. Step 3: Cross multiply
    237,750.15x = 328,128.81 × 147,135.30
  4. Step 4: Simplify right side
    237,750.15x = 48,279,330,897.99
  5. Step 5: Solve for x
    x = 48,279,330,897.99/237,750.15
  6. Step 6: Final answer
    x = 203,067.51

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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.