Home / 117,302.11-175,669.03-81,177.34

Finding the Fourth Proportional to 117,302.11, 175,669.03 and 81,177.34

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Solution

The fourth proportional to 117,302.11, 175,669.03 and 81,177.34 is: 121,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,302.11 : 175,669.03 = 81,177.34 : x
  2. Step 2: Convert to fraction form
    117,302.11/175,669.03 = 81,177.34/x
  3. Step 3: Cross multiply
    117,302.11x = 175,669.03 × 81,177.34
  4. Step 4: Simplify right side
    117,302.11x = 14,260,344,169.89
  5. Step 5: Solve for x
    x = 14,260,344,169.89/117,302.11
  6. Step 6: Final answer
    x = 121,569.37

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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.