Home / 140,180.29-193,442.04-79,745.24

Finding the Fourth Proportional to 140,180.29, 193,442.04 and 79,745.24

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Solution

The fourth proportional to 140,180.29, 193,442.04 and 79,745.24 is: 110,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,180.29 : 193,442.04 = 79,745.24 : x
  2. Step 2: Convert to fraction form
    140,180.29/193,442.04 = 79,745.24/x
  3. Step 3: Cross multiply
    140,180.29x = 193,442.04 × 79,745.24
  4. Step 4: Simplify right side
    140,180.29x = 15,426,082,389.49
  5. Step 5: Solve for x
    x = 15,426,082,389.49/140,180.29
  6. Step 6: Final answer
    x = 110,044.59

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1.5x scale

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.