Home / 140,991.90-194,575.95-77,335.62

Finding the Fourth Proportional to 140,991.90, 194,575.95 and 77,335.62

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Solution

The fourth proportional to 140,991.90, 194,575.95 and 77,335.62 is: 106,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,991.90 : 194,575.95 = 77,335.62 : x
  2. Step 2: Convert to fraction form
    140,991.90/194,575.95 = 77,335.62/x
  3. Step 3: Cross multiply
    140,991.90x = 194,575.95 × 77,335.62
  4. Step 4: Simplify right side
    140,991.90x = 15,047,651,730.34
  5. Step 5: Solve for x
    x = 15,047,651,730.34/140,991.90
  6. Step 6: Final answer
    x = 106,727.07

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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.