Home / 140,727.65-194,198.32-77,064.35

Finding the Fourth Proportional to 140,727.65, 194,198.32 and 77,064.35

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Solution

The fourth proportional to 140,727.65, 194,198.32 and 77,064.35 is: 106,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,727.65 : 194,198.32 = 77,064.35 : x
  2. Step 2: Convert to fraction form
    140,727.65/194,198.32 = 77,064.35/x
  3. Step 3: Cross multiply
    140,727.65x = 194,198.32 × 77,064.35
  4. Step 4: Simplify right side
    140,727.65x = 14,965,767,301.89
  5. Step 5: Solve for x
    x = 14,965,767,301.89/140,727.65
  6. Step 6: Final answer
    x = 106,345.61

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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.