Home / 140,827.80-194,341.05-76,295.55

Finding the Fourth Proportional to 140,827.80, 194,341.05 and 76,295.55

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Solution

The fourth proportional to 140,827.80, 194,341.05 and 76,295.55 is: 105,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,827.80 : 194,341.05 = 76,295.55 : x
  2. Step 2: Convert to fraction form
    140,827.80/194,341.05 = 76,295.55/x
  3. Step 3: Cross multiply
    140,827.80x = 194,341.05 × 76,295.55
  4. Step 4: Simplify right side
    140,827.80x = 14,827,357,297.33
  5. Step 5: Solve for x
    x = 14,827,357,297.33/140,827.80
  6. Step 6: Final answer
    x = 105,287.15

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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.