Home / 155,979.71-233,969.65-43,676.51

Finding the Fourth Proportional to 155,979.71, 233,969.65 and 43,676.51

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Solution

The fourth proportional to 155,979.71, 233,969.65 and 43,676.51 is: 65,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,979.71 : 233,969.65 = 43,676.51 : x
  2. Step 2: Convert to fraction form
    155,979.71/233,969.65 = 43,676.51/x
  3. Step 3: Cross multiply
    155,979.71x = 233,969.65 × 43,676.51
  4. Step 4: Simplify right side
    155,979.71x = 10,218,976,478.88
  5. Step 5: Solve for x
    x = 10,218,976,478.88/155,979.71
  6. Step 6: Final answer
    x = 65,514.78

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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.