Home / 148,979.80-223,448.10-43,787.80

Finding the Fourth Proportional to 148,979.80, 223,448.10 and 43,787.80

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Solution

The fourth proportional to 148,979.80, 223,448.10 and 43,787.80 is: 65,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,979.80 : 223,448.10 = 43,787.80 : x
  2. Step 2: Convert to fraction form
    148,979.80/223,448.10 = 43,787.80/x
  3. Step 3: Cross multiply
    148,979.80x = 223,448.10 × 43,787.80
  4. Step 4: Simplify right side
    148,979.80x = 9,784,300,713.18
  5. Step 5: Solve for x
    x = 9,784,300,713.18/148,979.80
  6. Step 6: Final answer
    x = 65,675.35

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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.