Home / 190,292.60-285,478.97-71,961.32

Finding the Fourth Proportional to 190,292.60, 285,478.97 and 71,961.32

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Solution

The fourth proportional to 190,292.60, 285,478.97 and 71,961.32 is: 107,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,292.60 : 285,478.97 = 71,961.32 : x
  2. Step 2: Convert to fraction form
    190,292.60/285,478.97 = 71,961.32/x
  3. Step 3: Cross multiply
    190,292.60x = 285,478.97 × 71,961.32
  4. Step 4: Simplify right side
    190,292.60x = 20,543,443,513.44
  5. Step 5: Solve for x
    x = 20,543,443,513.44/190,292.60
  6. Step 6: Final answer
    x = 107,957.13

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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.