Home / 154,975.20-232,462.80-55,138.65

Finding the Fourth Proportional to 154,975.20, 232,462.80 and 55,138.65

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Solution

The fourth proportional to 154,975.20, 232,462.80 and 55,138.65 is: 82,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,975.20 : 232,462.80 = 55,138.65 : x
  2. Step 2: Convert to fraction form
    154,975.20/232,462.80 = 55,138.65/x
  3. Step 3: Cross multiply
    154,975.20x = 232,462.80 × 55,138.65
  4. Step 4: Simplify right side
    154,975.20x = 12,817,684,967.22
  5. Step 5: Solve for x
    x = 12,817,684,967.22/154,975.20
  6. Step 6: Final answer
    x = 82,707.98

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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.