Home / 212,336.44-318,553.86-72,095.06

Finding the Fourth Proportional to 212,336.44, 318,553.86 and 72,095.06

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Solution

The fourth proportional to 212,336.44, 318,553.86 and 72,095.06 is: 108,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,336.44 : 318,553.86 = 72,095.06 : x
  2. Step 2: Convert to fraction form
    212,336.44/318,553.86 = 72,095.06/x
  3. Step 3: Cross multiply
    212,336.44x = 318,553.86 × 72,095.06
  4. Step 4: Simplify right side
    212,336.44x = 22,966,160,716.67
  5. Step 5: Solve for x
    x = 22,966,160,716.67/212,336.44
  6. Step 6: Final answer
    x = 108,159.30

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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.