Home / 238,131.18-357,259.04-138,195.32

Finding the Fourth Proportional to 238,131.18, 357,259.04 and 138,195.32

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Solution

The fourth proportional to 238,131.18, 357,259.04 and 138,195.32 is: 207,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,131.18 : 357,259.04 = 138,195.32 : x
  2. Step 2: Convert to fraction form
    238,131.18/357,259.04 = 138,195.32/x
  3. Step 3: Cross multiply
    238,131.18x = 357,259.04 × 138,195.32
  4. Step 4: Simplify right side
    238,131.18x = 49,371,524,878.42
  5. Step 5: Solve for x
    x = 49,371,524,878.42/238,131.18
  6. Step 6: Final answer
    x = 207,329.11

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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.