Home / 140,247.10-193,542.06-79,822.36

Finding the Fourth Proportional to 140,247.10, 193,542.06 and 79,822.36

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Solution

The fourth proportional to 140,247.10, 193,542.06 and 79,822.36 is: 110,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,247.10 : 193,542.06 = 79,822.36 : x
  2. Step 2: Convert to fraction form
    140,247.10/193,542.06 = 79,822.36/x
  3. Step 3: Cross multiply
    140,247.10x = 193,542.06 × 79,822.36
  4. Step 4: Simplify right side
    140,247.10x = 15,448,983,988.46
  5. Step 5: Solve for x
    x = 15,448,983,988.46/140,247.10
  6. Step 6: Final answer
    x = 110,155.46

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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.