Home / 155,538.52-233,306.23-71,274.77

Finding the Fourth Proportional to 155,538.52, 233,306.23 and 71,274.77

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Solution

The fourth proportional to 155,538.52, 233,306.23 and 71,274.77 is: 106,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,538.52 : 233,306.23 = 71,274.77 : x
  2. Step 2: Convert to fraction form
    155,538.52/233,306.23 = 71,274.77/x
  3. Step 3: Cross multiply
    155,538.52x = 233,306.23 × 71,274.77
  4. Step 4: Simplify right side
    155,538.52x = 16,628,847,882.82
  5. Step 5: Solve for x
    x = 16,628,847,882.82/155,538.52
  6. Step 6: Final answer
    x = 106,911.44

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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.