Home / 98,045.05-146,872.57-76,885.83

Finding the Fourth Proportional to 98,045.05, 146,872.57 and 76,885.83

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Solution

The fourth proportional to 98,045.05, 146,872.57 and 76,885.83 is: 115,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,045.05 : 146,872.57 = 76,885.83 : x
  2. Step 2: Convert to fraction form
    98,045.05/146,872.57 = 76,885.83/x
  3. Step 3: Cross multiply
    98,045.05x = 146,872.57 × 76,885.83
  4. Step 4: Simplify right side
    98,045.05x = 11,292,419,448.68
  5. Step 5: Solve for x
    x = 11,292,419,448.68/98,045.05
  6. Step 6: Final answer
    x = 115,175.82

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1.5x scale

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.