Home / 188,731.50-283,140.99-64,072.50

Finding the Fourth Proportional to 188,731.50, 283,140.99 and 64,072.50

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Solution

The fourth proportional to 188,731.50, 283,140.99 and 64,072.50 is: 96,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,731.50 : 283,140.99 = 64,072.50 : x
  2. Step 2: Convert to fraction form
    188,731.50/283,140.99 = 64,072.50/x
  3. Step 3: Cross multiply
    188,731.50x = 283,140.99 × 64,072.50
  4. Step 4: Simplify right side
    188,731.50x = 18,141,551,081.78
  5. Step 5: Solve for x
    x = 18,141,551,081.78/188,731.50
  6. Step 6: Final answer
    x = 96,123.60

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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.