Home / 189,132.93-261,001.77-103,091.93

Finding the Fourth Proportional to 189,132.93, 261,001.77 and 103,091.93

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Solution

The fourth proportional to 189,132.93, 261,001.77 and 103,091.93 is: 142,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,132.93 : 261,001.77 = 103,091.93 : x
  2. Step 2: Convert to fraction form
    189,132.93/261,001.77 = 103,091.93/x
  3. Step 3: Cross multiply
    189,132.93x = 261,001.77 × 103,091.93
  4. Step 4: Simplify right side
    189,132.93x = 26,907,176,202.72
  5. Step 5: Solve for x
    x = 26,907,176,202.72/189,132.93
  6. Step 6: Final answer
    x = 142,265.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.