Home / 118,821.13-178,258.12-39,933

Finding the Fourth Proportional to 118,821.13, 178,258.12 and 39,933

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Solution

The fourth proportional to 118,821.13, 178,258.12 and 39,933 is: 59,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,821.13 : 178,258.12 = 39,933 : x
  2. Step 2: Convert to fraction form
    118,821.13/178,258.12 = 39,933/x
  3. Step 3: Cross multiply
    118,821.13x = 178,258.12 × 39,933
  4. Step 4: Simplify right side
    118,821.13x = 7,118,381,406.13
  5. Step 5: Solve for x
    x = 7,118,381,406.13/118,821.13
  6. Step 6: Final answer
    x = 59,908.38

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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.