Home / 188,759.90-283,188.85-70,432.13

Finding the Fourth Proportional to 188,759.90, 283,188.85 and 70,432.13

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Solution

The fourth proportional to 188,759.90, 283,188.85 and 70,432.13 is: 105,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,759.90 : 283,188.85 = 70,432.13 : x
  2. Step 2: Convert to fraction form
    188,759.90/283,188.85 = 70,432.13/x
  3. Step 3: Cross multiply
    188,759.90x = 283,188.85 × 70,432.13
  4. Step 4: Simplify right side
    188,759.90x = 19,945,592,305.73
  5. Step 5: Solve for x
    x = 19,945,592,305.73/188,759.90
  6. Step 6: Final answer
    x = 105,666.47

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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.