Home / 140,776.04-194,272.62-77,116.52

Finding the Fourth Proportional to 140,776.04, 194,272.62 and 77,116.52

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Solution

The fourth proportional to 140,776.04, 194,272.62 and 77,116.52 is: 106,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,776.04 : 194,272.62 = 77,116.52 : x
  2. Step 2: Convert to fraction form
    140,776.04/194,272.62 = 77,116.52/x
  3. Step 3: Cross multiply
    140,776.04x = 194,272.62 × 77,116.52
  4. Step 4: Simplify right side
    140,776.04x = 14,981,628,385.68
  5. Step 5: Solve for x
    x = 14,981,628,385.68/140,776.04
  6. Step 6: Final answer
    x = 106,421.72

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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.