Home / 190,128.60-262,400.92-108,476.96

Finding the Fourth Proportional to 190,128.60, 262,400.92 and 108,476.96

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Solution

The fourth proportional to 190,128.60, 262,400.92 and 108,476.96 is: 149,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128.60 : 262,400.92 = 108,476.96 : x
  2. Step 2: Convert to fraction form
    190,128.60/262,400.92 = 108,476.96/x
  3. Step 3: Cross multiply
    190,128.60x = 262,400.92 × 108,476.96
  4. Step 4: Simplify right side
    190,128.60x = 28,464,454,102.80
  5. Step 5: Solve for x
    x = 28,464,454,102.80/190,128.60
  6. Step 6: Final answer
    x = 149,711.59

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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.