Home / 68,117.90-102,176.85-60,601.10

Finding the Fourth Proportional to 68,117.90, 102,176.85 and 60,601.10

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Solution

The fourth proportional to 68,117.90, 102,176.85 and 60,601.10 is: 90,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,117.90 : 102,176.85 = 60,601.10 : x
  2. Step 2: Convert to fraction form
    68,117.90/102,176.85 = 60,601.10/x
  3. Step 3: Cross multiply
    68,117.90x = 102,176.85 × 60,601.10
  4. Step 4: Simplify right side
    68,117.90x = 6,192,029,504.54
  5. Step 5: Solve for x
    x = 6,192,029,504.54/68,117.90
  6. Step 6: Final answer
    x = 90,901.65

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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.