Home / 96,821.69-145,257.17-56,874.45

Finding the Fourth Proportional to 96,821.69, 145,257.17 and 56,874.45

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Solution

The fourth proportional to 96,821.69, 145,257.17 and 56,874.45 is: 85,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,821.69 : 145,257.17 = 56,874.45 : x
  2. Step 2: Convert to fraction form
    96,821.69/145,257.17 = 56,874.45/x
  3. Step 3: Cross multiply
    96,821.69x = 145,257.17 × 56,874.45
  4. Step 4: Simplify right side
    96,821.69x = 8,261,421,652.31
  5. Step 5: Solve for x
    x = 8,261,421,652.31/96,821.69
  6. Step 6: Final answer
    x = 85,326.15

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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.