Home / 142,017.77-195,996.24-81,600.08

Finding the Fourth Proportional to 142,017.77, 195,996.24 and 81,600.08

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Solution

The fourth proportional to 142,017.77, 195,996.24 and 81,600.08 is: 112,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,017.77 : 195,996.24 = 81,600.08 : x
  2. Step 2: Convert to fraction form
    142,017.77/195,996.24 = 81,600.08/x
  3. Step 3: Cross multiply
    142,017.77x = 195,996.24 × 81,600.08
  4. Step 4: Simplify right side
    142,017.77x = 15,993,307,883.72
  5. Step 5: Solve for x
    x = 15,993,307,883.72/142,017.77
  6. Step 6: Final answer
    x = 112,614.83

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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.