Home / 252,068.85-347,851.13-138,895.65

Finding the Fourth Proportional to 252,068.85, 347,851.13 and 138,895.65

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Solution

The fourth proportional to 252,068.85, 347,851.13 and 138,895.65 is: 191,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,068.85 : 347,851.13 = 138,895.65 : x
  2. Step 2: Convert to fraction form
    252,068.85/347,851.13 = 138,895.65/x
  3. Step 3: Cross multiply
    252,068.85x = 347,851.13 × 138,895.65
  4. Step 4: Simplify right side
    252,068.85x = 48,315,008,110.11
  5. Step 5: Solve for x
    x = 48,315,008,110.11/252,068.85
  6. Step 6: Final answer
    x = 191,673.85

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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.