Home / 96,878.82-145,239.78-30,284.66

Finding the Fourth Proportional to 96,878.82, 145,239.78 and 30,284.66

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Solution

The fourth proportional to 96,878.82, 145,239.78 and 30,284.66 is: 45,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,878.82 : 145,239.78 = 30,284.66 : x
  2. Step 2: Convert to fraction form
    96,878.82/145,239.78 = 30,284.66/x
  3. Step 3: Cross multiply
    96,878.82x = 145,239.78 × 30,284.66
  4. Step 4: Simplify right side
    96,878.82x = 4,398,537,355.77
  5. Step 5: Solve for x
    x = 4,398,537,355.77/96,878.82
  6. Step 6: Final answer
    x = 45,402.47

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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.