Home / 141,230.55-194,897.49-76,699.34

Finding the Fourth Proportional to 141,230.55, 194,897.49 and 76,699.34

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Solution

The fourth proportional to 141,230.55, 194,897.49 and 76,699.34 is: 105,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,230.55 : 194,897.49 = 76,699.34 : x
  2. Step 2: Convert to fraction form
    141,230.55/194,897.49 = 76,699.34/x
  3. Step 3: Cross multiply
    141,230.55x = 194,897.49 × 76,699.34
  4. Step 4: Simplify right side
    141,230.55x = 14,948,507,876.17
  5. Step 5: Solve for x
    x = 14,948,507,876.17/141,230.55
  6. Step 6: Final answer
    x = 105,844.72

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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.