Home / 154,046.81-231,097.59-69,803.57

Finding the Fourth Proportional to 154,046.81, 231,097.59 and 69,803.57

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Solution

The fourth proportional to 154,046.81, 231,097.59 and 69,803.57 is: 104,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,046.81 : 231,097.59 = 69,803.57 : x
  2. Step 2: Convert to fraction form
    154,046.81/231,097.59 = 69,803.57/x
  3. Step 3: Cross multiply
    154,046.81x = 231,097.59 × 69,803.57
  4. Step 4: Simplify right side
    154,046.81x = 16,131,437,378.14
  5. Step 5: Solve for x
    x = 16,131,437,378.14/154,046.81
  6. Step 6: Final answer
    x = 104,717.76

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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.