Home / 160,268.68-240,478.62-71,514.28

Finding the Fourth Proportional to 160,268.68, 240,478.62 and 71,514.28

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Solution

The fourth proportional to 160,268.68, 240,478.62 and 71,514.28 is: 107,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,268.68 : 240,478.62 = 71,514.28 : x
  2. Step 2: Convert to fraction form
    160,268.68/240,478.62 = 71,514.28/x
  3. Step 3: Cross multiply
    160,268.68x = 240,478.62 × 71,514.28
  4. Step 4: Simplify right side
    160,268.68x = 17,197,655,364.69
  5. Step 5: Solve for x
    x = 17,197,655,364.69/160,268.68
  6. Step 6: Final answer
    x = 107,305.15

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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.