Home / 188,426.08-260,015.76-107,854.24

Finding the Fourth Proportional to 188,426.08, 260,015.76 and 107,854.24

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Solution

The fourth proportional to 188,426.08, 260,015.76 and 107,854.24 is: 148,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,426.08 : 260,015.76 = 107,854.24 : x
  2. Step 2: Convert to fraction form
    188,426.08/260,015.76 = 107,854.24/x
  3. Step 3: Cross multiply
    188,426.08x = 260,015.76 × 107,854.24
  4. Step 4: Simplify right side
    188,426.08x = 28,043,802,182.82
  5. Step 5: Solve for x
    x = 28,043,802,182.82/188,426.08
  6. Step 6: Final answer
    x = 148,831.85

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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.