Home / 188,123.72-282,180.11-55,007.10

Finding the Fourth Proportional to 188,123.72, 282,180.11 and 55,007.10

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Solution

The fourth proportional to 188,123.72, 282,180.11 and 55,007.10 is: 82,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,123.72 : 282,180.11 = 55,007.10 : x
  2. Step 2: Convert to fraction form
    188,123.72/282,180.11 = 55,007.10/x
  3. Step 3: Cross multiply
    188,123.72x = 282,180.11 × 55,007.10
  4. Step 4: Simplify right side
    188,123.72x = 15,521,909,253.75
  5. Step 5: Solve for x
    x = 15,521,909,253.75/188,123.72
  6. Step 6: Final answer
    x = 82,509.05

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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.