Home / 99,621.18-149,519.46-52,270.14

Finding the Fourth Proportional to 99,621.18, 149,519.46 and 52,270.14

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Solution

The fourth proportional to 99,621.18, 149,519.46 and 52,270.14 is: 78,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,621.18 : 149,519.46 = 52,270.14 : x
  2. Step 2: Convert to fraction form
    99,621.18/149,519.46 = 52,270.14/x
  3. Step 3: Cross multiply
    99,621.18x = 149,519.46 × 52,270.14
  4. Step 4: Simplify right side
    99,621.18x = 7,815,403,106.92
  5. Step 5: Solve for x
    x = 7,815,403,106.92/99,621.18
  6. Step 6: Final answer
    x = 78,451.22

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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.