Home / 114,730.20-172,095.30-79,738.20

Finding the Fourth Proportional to 114,730.20, 172,095.30 and 79,738.20

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Solution

The fourth proportional to 114,730.20, 172,095.30 and 79,738.20 is: 119,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,730.20 : 172,095.30 = 79,738.20 : x
  2. Step 2: Convert to fraction form
    114,730.20/172,095.30 = 79,738.20/x
  3. Step 3: Cross multiply
    114,730.20x = 172,095.30 × 79,738.20
  4. Step 4: Simplify right side
    114,730.20x = 13,722,569,450.46
  5. Step 5: Solve for x
    x = 13,722,569,450.46/114,730.20
  6. Step 6: Final answer
    x = 119,607.30

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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.