Home / 207,864.72-311,829.72-67,590.52

Finding the Fourth Proportional to 207,864.72, 311,829.72 and 67,590.52

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Solution

The fourth proportional to 207,864.72, 311,829.72 and 67,590.52 is: 101,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,864.72 : 311,829.72 = 67,590.52 : x
  2. Step 2: Convert to fraction form
    207,864.72/311,829.72 = 67,590.52/x
  3. Step 3: Cross multiply
    207,864.72x = 311,829.72 × 67,590.52
  4. Step 4: Simplify right side
    207,864.72x = 21,076,732,926.25
  5. Step 5: Solve for x
    x = 21,076,732,926.25/207,864.72
  6. Step 6: Final answer
    x = 101,396.39

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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.