Home / 170,275.71-255,183.93-86,095.26

Finding the Fourth Proportional to 170,275.71, 255,183.93 and 86,095.26

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Solution

The fourth proportional to 170,275.71, 255,183.93 and 86,095.26 is: 129,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,275.71 : 255,183.93 = 86,095.26 : x
  2. Step 2: Convert to fraction form
    170,275.71/255,183.93 = 86,095.26/x
  3. Step 3: Cross multiply
    170,275.71x = 255,183.93 × 86,095.26
  4. Step 4: Simplify right side
    170,275.71x = 21,970,126,801.17
  5. Step 5: Solve for x
    x = 21,970,126,801.17/170,275.71
  6. Step 6: Final answer
    x = 129,026.78

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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.