Home / 188,590.68-260,255.21-103,707.74

Finding the Fourth Proportional to 188,590.68, 260,255.21 and 103,707.74

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Solution

The fourth proportional to 188,590.68, 260,255.21 and 103,707.74 is: 143,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,590.68 : 260,255.21 = 103,707.74 : x
  2. Step 2: Convert to fraction form
    188,590.68/260,255.21 = 103,707.74/x
  3. Step 3: Cross multiply
    188,590.68x = 260,255.21 × 103,707.74
  4. Step 4: Simplify right side
    188,590.68x = 26,990,478,351.05
  5. Step 5: Solve for x
    x = 26,990,478,351.05/188,590.68
  6. Step 6: Final answer
    x = 143,116.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.