Home / 140,980.09-211,321.63-56,800.03

Finding the Fourth Proportional to 140,980.09, 211,321.63 and 56,800.03

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Solution

The fourth proportional to 140,980.09, 211,321.63 and 56,800.03 is: 85,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,980.09 : 211,321.63 = 56,800.03 : x
  2. Step 2: Convert to fraction form
    140,980.09/211,321.63 = 56,800.03/x
  3. Step 3: Cross multiply
    140,980.09x = 211,321.63 × 56,800.03
  4. Step 4: Simplify right side
    140,980.09x = 12,003,074,923.65
  5. Step 5: Solve for x
    x = 12,003,074,923.65/140,980.09
  6. Step 6: Final answer
    x = 85,140.21

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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.