Home / 140,183.92-210,150.84-51,416.72

Finding the Fourth Proportional to 140,183.92, 210,150.84 and 51,416.72

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Solution

The fourth proportional to 140,183.92, 210,150.84 and 51,416.72 is: 77,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,183.92 : 210,150.84 = 51,416.72 : x
  2. Step 2: Convert to fraction form
    140,183.92/210,150.84 = 51,416.72/x
  3. Step 3: Cross multiply
    140,183.92x = 210,150.84 × 51,416.72
  4. Step 4: Simplify right side
    140,183.92x = 10,805,266,898.04
  5. Step 5: Solve for x
    x = 10,805,266,898.04/140,183.92
  6. Step 6: Final answer
    x = 77,079.22

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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.