Home / 141,898.28-195,837.34-81,487.80

Finding the Fourth Proportional to 141,898.28, 195,837.34 and 81,487.80

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Solution

The fourth proportional to 141,898.28, 195,837.34 and 81,487.80 is: 112,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,898.28 : 195,837.34 = 81,487.80 : x
  2. Step 2: Convert to fraction form
    141,898.28/195,837.34 = 81,487.80/x
  3. Step 3: Cross multiply
    141,898.28x = 195,837.34 × 81,487.80
  4. Step 4: Simplify right side
    141,898.28x = 15,958,353,994.45
  5. Step 5: Solve for x
    x = 15,958,353,994.45/141,898.28
  6. Step 6: Final answer
    x = 112,463.34

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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.