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Finding the Fourth Proportional to 149,040.80, 223,501.80 and 49,173.20

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Solution

The fourth proportional to 149,040.80, 223,501.80 and 49,173.20 is: 73,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,040.80 : 223,501.80 = 49,173.20 : x
  2. Step 2: Convert to fraction form
    149,040.80/223,501.80 = 49,173.20/x
  3. Step 3: Cross multiply
    149,040.80x = 223,501.80 × 49,173.20
  4. Step 4: Simplify right side
    149,040.80x = 10,990,298,711.76
  5. Step 5: Solve for x
    x = 10,990,298,711.76/149,040.80
  6. Step 6: Final answer
    x = 73,740.20

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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.