Home / 140,022.36-193,223.88-79,585.08

Finding the Fourth Proportional to 140,022.36, 193,223.88 and 79,585.08

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Solution

The fourth proportional to 140,022.36, 193,223.88 and 79,585.08 is: 109,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,022.36 : 193,223.88 = 79,585.08 : x
  2. Step 2: Convert to fraction form
    140,022.36/193,223.88 = 79,585.08/x
  3. Step 3: Cross multiply
    140,022.36x = 193,223.88 × 79,585.08
  4. Step 4: Simplify right side
    140,022.36x = 15,377,737,947.71
  5. Step 5: Solve for x
    x = 15,377,737,947.71/140,022.36
  6. Step 6: Final answer
    x = 109,823.44

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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.