Home / 173,816.30-260,810.85-68,638.70

Finding the Fourth Proportional to 173,816.30, 260,810.85 and 68,638.70

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Solution

The fourth proportional to 173,816.30, 260,810.85 and 68,638.70 is: 102,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,816.30 : 260,810.85 = 68,638.70 : x
  2. Step 2: Convert to fraction form
    173,816.30/260,810.85 = 68,638.70/x
  3. Step 3: Cross multiply
    173,816.30x = 260,810.85 × 68,638.70
  4. Step 4: Simplify right side
    173,816.30x = 17,901,717,689.90
  5. Step 5: Solve for x
    x = 17,901,717,689.90/173,816.30
  6. Step 6: Final answer
    x = 102,992.17

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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.