Home / 148,943.20-223,454.40-64,667.20

Finding the Fourth Proportional to 148,943.20, 223,454.40 and 64,667.20

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Solution

The fourth proportional to 148,943.20, 223,454.40 and 64,667.20 is: 97,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,943.20 : 223,454.40 = 64,667.20 : x
  2. Step 2: Convert to fraction form
    148,943.20/223,454.40 = 64,667.20/x
  3. Step 3: Cross multiply
    148,943.20x = 223,454.40 × 64,667.20
  4. Step 4: Simplify right side
    148,943.20x = 14,450,170,375.68
  5. Step 5: Solve for x
    x = 14,450,170,375.68/148,943.20
  6. Step 6: Final answer
    x = 97,017.99

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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.