Home / 197,455.66-272,205.38-140,768.62

Finding the Fourth Proportional to 197,455.66, 272,205.38 and 140,768.62

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Solution

The fourth proportional to 197,455.66, 272,205.38 and 140,768.62 is: 194,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,455.66 : 272,205.38 = 140,768.62 : x
  2. Step 2: Convert to fraction form
    197,455.66/272,205.38 = 140,768.62/x
  3. Step 3: Cross multiply
    197,455.66x = 272,205.38 × 140,768.62
  4. Step 4: Simplify right side
    197,455.66x = 38,317,975,370.58
  5. Step 5: Solve for x
    x = 38,317,975,370.58/197,455.66
  6. Step 6: Final answer
    x = 194,058.64

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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.