Home / 117,105.54-175,550.66-42,207.35

Finding the Fourth Proportional to 117,105.54, 175,550.66 and 42,207.35

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Solution

The fourth proportional to 117,105.54, 175,550.66 and 42,207.35 is: 63,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,105.54 : 175,550.66 = 42,207.35 : x
  2. Step 2: Convert to fraction form
    117,105.54/175,550.66 = 42,207.35/x
  3. Step 3: Cross multiply
    117,105.54x = 175,550.66 × 42,207.35
  4. Step 4: Simplify right side
    117,105.54x = 7,409,528,035.43
  5. Step 5: Solve for x
    x = 7,409,528,035.43/117,105.54
  6. Step 6: Final answer
    x = 63,272.23

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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.