Home / 154,606.39-231,942.69-47,988.11

Finding the Fourth Proportional to 154,606.39, 231,942.69 and 47,988.11

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Solution

The fourth proportional to 154,606.39, 231,942.69 and 47,988.11 is: 71,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,606.39 : 231,942.69 = 47,988.11 : x
  2. Step 2: Convert to fraction form
    154,606.39/231,942.69 = 47,988.11/x
  3. Step 3: Cross multiply
    154,606.39x = 231,942.69 × 47,988.11
  4. Step 4: Simplify right side
    154,606.39x = 11,130,491,901.27
  5. Step 5: Solve for x
    x = 11,130,491,901.27/154,606.39
  6. Step 6: Final answer
    x = 71,992.45

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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.