Home / 237,777.72-328,049.20-135,729.56

Finding the Fourth Proportional to 237,777.72, 328,049.20 and 135,729.56

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Solution

The fourth proportional to 237,777.72, 328,049.20 and 135,729.56 is: 187,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,777.72 : 328,049.20 = 135,729.56 : x
  2. Step 2: Convert to fraction form
    237,777.72/328,049.20 = 135,729.56/x
  3. Step 3: Cross multiply
    237,777.72x = 328,049.20 × 135,729.56
  4. Step 4: Simplify right side
    237,777.72x = 44,525,973,574.35
  5. Step 5: Solve for x
    x = 44,525,973,574.35/237,777.72
  6. Step 6: Final answer
    x = 187,258.81

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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.