Home / 204,424.75-306,437.90-97,780.86

Finding the Fourth Proportional to 204,424.75, 306,437.90 and 97,780.86

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Solution

The fourth proportional to 204,424.75, 306,437.90 and 97,780.86 is: 146,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,424.75 : 306,437.90 = 97,780.86 : x
  2. Step 2: Convert to fraction form
    204,424.75/306,437.90 = 97,780.86/x
  3. Step 3: Cross multiply
    204,424.75x = 306,437.90 × 97,780.86
  4. Step 4: Simplify right side
    204,424.75x = 29,963,761,398.59
  5. Step 5: Solve for x
    x = 29,963,761,398.59/204,424.75
  6. Step 6: Final answer
    x = 146,576.00

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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.