Home / 188,044.55-282,108.35-69,715.89

Finding the Fourth Proportional to 188,044.55, 282,108.35 and 69,715.89

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Solution

The fourth proportional to 188,044.55, 282,108.35 and 69,715.89 is: 104,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,044.55 : 282,108.35 = 69,715.89 : x
  2. Step 2: Convert to fraction form
    188,044.55/282,108.35 = 69,715.89/x
  3. Step 3: Cross multiply
    188,044.55x = 282,108.35 × 69,715.89
  4. Step 4: Simplify right side
    188,044.55x = 19,667,434,348.10
  5. Step 5: Solve for x
    x = 19,667,434,348.10/188,044.55
  6. Step 6: Final answer
    x = 104,589.23

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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.