Home / 170,468.06-255,818.73-87,420.38

Finding the Fourth Proportional to 170,468.06, 255,818.73 and 87,420.38

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Solution

The fourth proportional to 170,468.06, 255,818.73 and 87,420.38 is: 131,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,468.06 : 255,818.73 = 87,420.38 : x
  2. Step 2: Convert to fraction form
    170,468.06/255,818.73 = 87,420.38/x
  3. Step 3: Cross multiply
    170,468.06x = 255,818.73 × 87,420.38
  4. Step 4: Simplify right side
    170,468.06x = 22,363,770,587.72
  5. Step 5: Solve for x
    x = 22,363,770,587.72/170,468.06
  6. Step 6: Final answer
    x = 131,190.39

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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.