Home / 223,979.16-309,068.83-137,924.36

Finding the Fourth Proportional to 223,979.16, 309,068.83 and 137,924.36

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Solution

The fourth proportional to 223,979.16, 309,068.83 and 137,924.36 is: 190,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,979.16 : 309,068.83 = 137,924.36 : x
  2. Step 2: Convert to fraction form
    223,979.16/309,068.83 = 137,924.36/x
  3. Step 3: Cross multiply
    223,979.16x = 309,068.83 × 137,924.36
  4. Step 4: Simplify right side
    223,979.16x = 42,628,120,573.70
  5. Step 5: Solve for x
    x = 42,628,120,573.70/223,979.16
  6. Step 6: Final answer
    x = 190,321.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.