Home / 170,582.29-255,763.94-70,811.35

Finding the Fourth Proportional to 170,582.29, 255,763.94 and 70,811.35

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Solution

The fourth proportional to 170,582.29, 255,763.94 and 70,811.35 is: 106,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,582.29 : 255,763.94 = 70,811.35 : x
  2. Step 2: Convert to fraction form
    170,582.29/255,763.94 = 70,811.35/x
  3. Step 3: Cross multiply
    170,582.29x = 255,763.94 × 70,811.35
  4. Step 4: Simplify right side
    170,582.29x = 18,110,989,872.72
  5. Step 5: Solve for x
    x = 18,110,989,872.72/170,582.29
  6. Step 6: Final answer
    x = 106,171.57

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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.