Home / 100,269.90-150,423.82-40,303.05

Finding the Fourth Proportional to 100,269.90, 150,423.82 and 40,303.05

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Solution

The fourth proportional to 100,269.90, 150,423.82 and 40,303.05 is: 60,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,269.90 : 150,423.82 = 40,303.05 : x
  2. Step 2: Convert to fraction form
    100,269.90/150,423.82 = 40,303.05/x
  3. Step 3: Cross multiply
    100,269.90x = 150,423.82 × 40,303.05
  4. Step 4: Simplify right side
    100,269.90x = 6,062,538,738.65
  5. Step 5: Solve for x
    x = 6,062,538,738.65/100,269.90
  6. Step 6: Final answer
    x = 60,462.20

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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.