Home / 142,904.41-197,193.87-82,494.51

Finding the Fourth Proportional to 142,904.41, 197,193.87 and 82,494.51

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Solution

The fourth proportional to 142,904.41, 197,193.87 and 82,494.51 is: 113,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,904.41 : 197,193.87 = 82,494.51 : x
  2. Step 2: Convert to fraction form
    142,904.41/197,193.87 = 82,494.51/x
  3. Step 3: Cross multiply
    142,904.41x = 197,193.87 × 82,494.51
  4. Step 4: Simplify right side
    142,904.41x = 16,267,410,941.18
  5. Step 5: Solve for x
    x = 16,267,410,941.18/142,904.41
  6. Step 6: Final answer
    x = 113,834.21

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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.