Home / 257,198.46-354,925.85-142,472.49

Finding the Fourth Proportional to 257,198.46, 354,925.85 and 142,472.49

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Solution

The fourth proportional to 257,198.46, 354,925.85 and 142,472.49 is: 196,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,198.46 : 354,925.85 = 142,472.49 : x
  2. Step 2: Convert to fraction form
    257,198.46/354,925.85 = 142,472.49/x
  3. Step 3: Cross multiply
    257,198.46x = 354,925.85 × 142,472.49
  4. Step 4: Simplify right side
    257,198.46x = 50,567,168,902.50
  5. Step 5: Solve for x
    x = 50,567,168,902.50/257,198.46
  6. Step 6: Final answer
    x = 196,607.59

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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.