Home / 237,914.72-328,321.92-137,312.64

Finding the Fourth Proportional to 237,914.72, 328,321.92 and 137,312.64

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Solution

The fourth proportional to 237,914.72, 328,321.92 and 137,312.64 is: 189,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,914.72 : 328,321.92 = 137,312.64 : x
  2. Step 2: Convert to fraction form
    237,914.72/328,321.92 = 137,312.64/x
  3. Step 3: Cross multiply
    237,914.72x = 328,321.92 × 137,312.64
  4. Step 4: Simplify right side
    237,914.72x = 45,082,749,605.07
  5. Step 5: Solve for x
    x = 45,082,749,605.07/237,914.72
  6. Step 6: Final answer
    x = 189,491.22

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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.