Home / 118,976.13-178,445.04-34,716.51

Finding the Fourth Proportional to 118,976.13, 178,445.04 and 34,716.51

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Solution

The fourth proportional to 118,976.13, 178,445.04 and 34,716.51 is: 52,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,976.13 : 178,445.04 = 34,716.51 : x
  2. Step 2: Convert to fraction form
    118,976.13/178,445.04 = 34,716.51/x
  3. Step 3: Cross multiply
    118,976.13x = 178,445.04 × 34,716.51
  4. Step 4: Simplify right side
    118,976.13x = 6,194,988,123.39
  5. Step 5: Solve for x
    x = 6,194,988,123.39/118,976.13
  6. Step 6: Final answer
    x = 52,069.17

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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.