Home / 140,991.02-211,486.53-70,821.14

Finding the Fourth Proportional to 140,991.02, 211,486.53 and 70,821.14

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Solution

The fourth proportional to 140,991.02, 211,486.53 and 70,821.14 is: 106,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,991.02 : 211,486.53 = 70,821.14 : x
  2. Step 2: Convert to fraction form
    140,991.02/211,486.53 = 70,821.14/x
  3. Step 3: Cross multiply
    140,991.02x = 211,486.53 × 70,821.14
  4. Step 4: Simplify right side
    140,991.02x = 14,977,717,149.24
  5. Step 5: Solve for x
    x = 14,977,717,149.24/140,991.02
  6. Step 6: Final answer
    x = 106,231.71

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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.