Home / 148,759.23-223,146.01-48,917.21

Finding the Fourth Proportional to 148,759.23, 223,146.01 and 48,917.21

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Solution

The fourth proportional to 148,759.23, 223,146.01 and 48,917.21 is: 73,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,759.23 : 223,146.01 = 48,917.21 : x
  2. Step 2: Convert to fraction form
    148,759.23/223,146.01 = 48,917.21/x
  3. Step 3: Cross multiply
    148,759.23x = 223,146.01 × 48,917.21
  4. Step 4: Simplify right side
    148,759.23x = 10,915,679,116.10
  5. Step 5: Solve for x
    x = 10,915,679,116.10/148,759.23
  6. Step 6: Final answer
    x = 73,378.17

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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.