Home / 237,748.16-328,090.56-137,144

Finding the Fourth Proportional to 237,748.16, 328,090.56 and 137,144

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Solution

The fourth proportional to 237,748.16, 328,090.56 and 137,144 is: 189,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,748.16 : 328,090.56 = 137,144 : x
  2. Step 2: Convert to fraction form
    237,748.16/328,090.56 = 137,144/x
  3. Step 3: Cross multiply
    237,748.16x = 328,090.56 × 137,144
  4. Step 4: Simplify right side
    237,748.16x = 44,995,651,760.64
  5. Step 5: Solve for x
    x = 44,995,651,760.64/237,748.16
  6. Step 6: Final answer
    x = 189,257.62

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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.