Home / 133,009.23-199,513.85-88,722.48

Finding the Fourth Proportional to 133,009.23, 199,513.85 and 88,722.48

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Solution

The fourth proportional to 133,009.23, 199,513.85 and 88,722.48 is: 133,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,009.23 : 199,513.85 = 88,722.48 : x
  2. Step 2: Convert to fraction form
    133,009.23/199,513.85 = 88,722.48/x
  3. Step 3: Cross multiply
    133,009.23x = 199,513.85 × 88,722.48
  4. Step 4: Simplify right side
    133,009.23x = 17,701,363,122.74
  5. Step 5: Solve for x
    x = 17,701,363,122.74/133,009.23
  6. Step 6: Final answer
    x = 133,083.72

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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.