Home / 140,022.81-193,223.88-79,585.06

Finding the Fourth Proportional to 140,022.81, 193,223.88 and 79,585.06

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Solution

The fourth proportional to 140,022.81, 193,223.88 and 79,585.06 is: 109,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,022.81 : 193,223.88 = 79,585.06 : x
  2. Step 2: Convert to fraction form
    140,022.81/193,223.88 = 79,585.06/x
  3. Step 3: Cross multiply
    140,022.81x = 193,223.88 × 79,585.06
  4. Step 4: Simplify right side
    140,022.81x = 15,377,734,083.23
  5. Step 5: Solve for x
    x = 15,377,734,083.23/140,022.81
  6. Step 6: Final answer
    x = 109,823.06

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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.