Home / 141,857.37-195,776.97-105,985.10

Finding the Fourth Proportional to 141,857.37, 195,776.97 and 105,985.10

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Solution

The fourth proportional to 141,857.37, 195,776.97 and 105,985.10 is: 146,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,857.37 : 195,776.97 = 105,985.10 : x
  2. Step 2: Convert to fraction form
    141,857.37/195,776.97 = 105,985.10/x
  3. Step 3: Cross multiply
    141,857.37x = 195,776.97 × 105,985.10
  4. Step 4: Simplify right side
    141,857.37x = 20,749,442,232.59
  5. Step 5: Solve for x
    x = 20,749,442,232.59/141,857.37
  6. Step 6: Final answer
    x = 146,269.75

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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.