Home / 111,962.91-154,508.94-60,975.72

Finding the Fourth Proportional to 111,962.91, 154,508.94 and 60,975.72

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Solution

The fourth proportional to 111,962.91, 154,508.94 and 60,975.72 is: 84,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,962.91 : 154,508.94 = 60,975.72 : x
  2. Step 2: Convert to fraction form
    111,962.91/154,508.94 = 60,975.72/x
  3. Step 3: Cross multiply
    111,962.91x = 154,508.94 × 60,975.72
  4. Step 4: Simplify right side
    111,962.91x = 9,421,293,862.94
  5. Step 5: Solve for x
    x = 9,421,293,862.94/111,962.91
  6. Step 6: Final answer
    x = 84,146.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.