Home / 123,392.08-185,007.93-48,519.55

Finding the Fourth Proportional to 123,392.08, 185,007.93 and 48,519.55

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Solution

The fourth proportional to 123,392.08, 185,007.93 and 48,519.55 is: 72,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,392.08 : 185,007.93 = 48,519.55 : x
  2. Step 2: Convert to fraction form
    123,392.08/185,007.93 = 48,519.55/x
  3. Step 3: Cross multiply
    123,392.08x = 185,007.93 × 48,519.55
  4. Step 4: Simplify right side
    123,392.08x = 8,976,501,510.03
  5. Step 5: Solve for x
    x = 8,976,501,510.03/123,392.08
  6. Step 6: Final answer
    x = 72,747.79

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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.