Home / 149,021.32-223,510.10-49,184.78

Finding the Fourth Proportional to 149,021.32, 223,510.10 and 49,184.78

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Solution

The fourth proportional to 149,021.32, 223,510.10 and 49,184.78 is: 73,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.32 : 223,510.10 = 49,184.78 : x
  2. Step 2: Convert to fraction form
    149,021.32/223,510.10 = 49,184.78/x
  3. Step 3: Cross multiply
    149,021.32x = 223,510.10 × 49,184.78
  4. Step 4: Simplify right side
    149,021.32x = 10,993,295,096.28
  5. Step 5: Solve for x
    x = 10,993,295,096.28/149,021.32
  6. Step 6: Final answer
    x = 73,769.95

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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.