Home / 140,247.72-210,215.76-106,857.70

Finding the Fourth Proportional to 140,247.72, 210,215.76 and 106,857.70

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Solution

The fourth proportional to 140,247.72, 210,215.76 and 106,857.70 is: 160,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,247.72 : 210,215.76 = 106,857.70 : x
  2. Step 2: Convert to fraction form
    140,247.72/210,215.76 = 106,857.70/x
  3. Step 3: Cross multiply
    140,247.72x = 210,215.76 × 106,857.70
  4. Step 4: Simplify right side
    140,247.72x = 22,463,172,617.35
  5. Step 5: Solve for x
    x = 22,463,172,617.35/140,247.72
  6. Step 6: Final answer
    x = 160,167.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.