Home / 212,150.98-318,047.73-92,117.62

Finding the Fourth Proportional to 212,150.98, 318,047.73 and 92,117.62

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Solution

The fourth proportional to 212,150.98, 318,047.73 and 92,117.62 is: 138,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,150.98 : 318,047.73 = 92,117.62 : x
  2. Step 2: Convert to fraction form
    212,150.98/318,047.73 = 92,117.62/x
  3. Step 3: Cross multiply
    212,150.98x = 318,047.73 × 92,117.62
  4. Step 4: Simplify right side
    212,150.98x = 29,297,799,934.00
  5. Step 5: Solve for x
    x = 29,297,799,934.00/212,150.98
  6. Step 6: Final answer
    x = 138,098.82

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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.