Home / 140,799.50-194,302.14-76,267.26

Finding the Fourth Proportional to 140,799.50, 194,302.14 and 76,267.26

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Solution

The fourth proportional to 140,799.50, 194,302.14 and 76,267.26 is: 105,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,799.50 : 194,302.14 = 76,267.26 : x
  2. Step 2: Convert to fraction form
    140,799.50/194,302.14 = 76,267.26/x
  3. Step 3: Cross multiply
    140,799.50x = 194,302.14 × 76,267.26
  4. Step 4: Simplify right side
    140,799.50x = 14,818,891,829.94
  5. Step 5: Solve for x
    x = 14,818,891,829.94/140,799.50
  6. Step 6: Final answer
    x = 105,248.19

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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.