Home / 140,703.32-194,169.68-76,172.08

Finding the Fourth Proportional to 140,703.32, 194,169.68 and 76,172.08

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Solution

The fourth proportional to 140,703.32, 194,169.68 and 76,172.08 is: 105,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703.32 : 194,169.68 = 76,172.08 : x
  2. Step 2: Convert to fraction form
    140,703.32/194,169.68 = 76,172.08/x
  3. Step 3: Cross multiply
    140,703.32x = 194,169.68 × 76,172.08
  4. Step 4: Simplify right side
    140,703.32x = 14,790,308,398.53
  5. Step 5: Solve for x
    x = 14,790,308,398.53/140,703.32
  6. Step 6: Final answer
    x = 105,116.98

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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.