Home / 142,904.80-197,194.41-82,494.90

Finding the Fourth Proportional to 142,904.80, 197,194.41 and 82,494.90

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Solution

The fourth proportional to 142,904.80, 197,194.41 and 82,494.90 is: 113,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,904.80 : 197,194.41 = 82,494.90 : x
  2. Step 2: Convert to fraction form
    142,904.80/197,194.41 = 82,494.90/x
  3. Step 3: Cross multiply
    142,904.80x = 197,194.41 × 82,494.90
  4. Step 4: Simplify right side
    142,904.80x = 16,267,533,133.51
  5. Step 5: Solve for x
    x = 16,267,533,133.51/142,904.80
  6. Step 6: Final answer
    x = 113,834.76

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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.