Home / 154,688.94-231,967.80-54,874.26

Finding the Fourth Proportional to 154,688.94, 231,967.80 and 54,874.26

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Solution

The fourth proportional to 154,688.94, 231,967.80 and 54,874.26 is: 82,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,688.94 : 231,967.80 = 54,874.26 : x
  2. Step 2: Convert to fraction form
    154,688.94/231,967.80 = 54,874.26/x
  3. Step 3: Cross multiply
    154,688.94x = 231,967.80 × 54,874.26
  4. Step 4: Simplify right side
    154,688.94x = 12,729,061,368.83
  5. Step 5: Solve for x
    x = 12,729,061,368.83/154,688.94
  6. Step 6: Final answer
    x = 82,288.12

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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.