Home / 139,013.16-208,532.04-39,174.24

Finding the Fourth Proportional to 139,013.16, 208,532.04 and 39,174.24

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Solution

The fourth proportional to 139,013.16, 208,532.04 and 39,174.24 is: 58,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,013.16 : 208,532.04 = 39,174.24 : x
  2. Step 2: Convert to fraction form
    139,013.16/208,532.04 = 39,174.24/x
  3. Step 3: Cross multiply
    139,013.16x = 208,532.04 × 39,174.24
  4. Step 4: Simplify right side
    139,013.16x = 8,169,084,182.65
  5. Step 5: Solve for x
    x = 8,169,084,182.65/139,013.16
  6. Step 6: Final answer
    x = 58,764.83

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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.