Home / 170,359.29-255,551.31-69,108.75

Finding the Fourth Proportional to 170,359.29, 255,551.31 and 69,108.75

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Solution

The fourth proportional to 170,359.29, 255,551.31 and 69,108.75 is: 103,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,359.29 : 255,551.31 = 69,108.75 : x
  2. Step 2: Convert to fraction form
    170,359.29/255,551.31 = 69,108.75/x
  3. Step 3: Cross multiply
    170,359.29x = 255,551.31 × 69,108.75
  4. Step 4: Simplify right side
    170,359.29x = 17,660,831,594.96
  5. Step 5: Solve for x
    x = 17,660,831,594.96/170,359.29
  6. Step 6: Final answer
    x = 103,668.15

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1.5x scale

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.