Home / 96,865.35-145,155.87-68,839.35

Finding the Fourth Proportional to 96,865.35, 145,155.87 and 68,839.35

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Solution

The fourth proportional to 96,865.35, 145,155.87 and 68,839.35 is: 103,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,865.35 : 145,155.87 = 68,839.35 : x
  2. Step 2: Convert to fraction form
    96,865.35/145,155.87 = 68,839.35/x
  3. Step 3: Cross multiply
    96,865.35x = 145,155.87 × 68,839.35
  4. Step 4: Simplify right side
    96,865.35x = 9,992,435,739.48
  5. Step 5: Solve for x
    x = 9,992,435,739.48/96,865.35
  6. Step 6: Final answer
    x = 103,158.00

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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.