Home / 133,013.01-199,552.40-39,518.61

Finding the Fourth Proportional to 133,013.01, 199,552.40 and 39,518.61

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Solution

The fourth proportional to 133,013.01, 199,552.40 and 39,518.61 is: 59,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.01 : 199,552.40 = 39,518.61 : x
  2. Step 2: Convert to fraction form
    133,013.01/199,552.40 = 39,518.61/x
  3. Step 3: Cross multiply
    133,013.01x = 199,552.40 × 39,518.61
  4. Step 4: Simplify right side
    133,013.01x = 7,886,033,272.57
  5. Step 5: Solve for x
    x = 7,886,033,272.57/133,013.01
  6. Step 6: Final answer
    x = 59,287.68

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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.