Home / 142,904.43-197,193.90-82,494.53

Finding the Fourth Proportional to 142,904.43, 197,193.90 and 82,494.53

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Solution

The fourth proportional to 142,904.43, 197,193.90 and 82,494.53 is: 113,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,904.43 : 197,193.90 = 82,494.53 : x
  2. Step 2: Convert to fraction form
    142,904.43/197,193.90 = 82,494.53/x
  3. Step 3: Cross multiply
    142,904.43x = 197,193.90 × 82,494.53
  4. Step 4: Simplify right side
    142,904.43x = 16,267,418,807.41
  5. Step 5: Solve for x
    x = 16,267,418,807.41/142,904.43
  6. Step 6: Final answer
    x = 113,834.25

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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.