Home / 237,943.12-356,801.69-138,133.98

Finding the Fourth Proportional to 237,943.12, 356,801.69 and 138,133.98

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Solution

The fourth proportional to 237,943.12, 356,801.69 and 138,133.98 is: 207,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,943.12 : 356,801.69 = 138,133.98 : x
  2. Step 2: Convert to fraction form
    237,943.12/356,801.69 = 138,133.98/x
  3. Step 3: Cross multiply
    237,943.12x = 356,801.69 × 138,133.98
  4. Step 4: Simplify right side
    237,943.12x = 49,286,435,035.75
  5. Step 5: Solve for x
    x = 49,286,435,035.75/237,943.12
  6. Step 6: Final answer
    x = 207,135.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.