Home / 142,904.58-197,194.10-82,494.68

Finding the Fourth Proportional to 142,904.58, 197,194.10 and 82,494.68

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Solution

The fourth proportional to 142,904.58, 197,194.10 and 82,494.68 is: 113,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,904.58 : 197,194.10 = 82,494.68 : x
  2. Step 2: Convert to fraction form
    142,904.58/197,194.10 = 82,494.68/x
  3. Step 3: Cross multiply
    142,904.58x = 197,194.10 × 82,494.68
  4. Step 4: Simplify right side
    142,904.58x = 16,267,464,177.39
  5. Step 5: Solve for x
    x = 16,267,464,177.39/142,904.58
  6. Step 6: Final answer
    x = 113,834.45

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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.