Home / 148,976.80-223,405.80-49,109.20

Finding the Fourth Proportional to 148,976.80, 223,405.80 and 49,109.20

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Solution

The fourth proportional to 148,976.80, 223,405.80 and 49,109.20 is: 73,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,976.80 : 223,405.80 = 49,109.20 : x
  2. Step 2: Convert to fraction form
    148,976.80/223,405.80 = 49,109.20/x
  3. Step 3: Cross multiply
    148,976.80x = 223,405.80 × 49,109.20
  4. Step 4: Simplify right side
    148,976.80x = 10,971,280,113.36
  5. Step 5: Solve for x
    x = 10,971,280,113.36/148,976.80
  6. Step 6: Final answer
    x = 73,644.22

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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.