Home / 213,749.20-294,982-116,959.60

Finding the Fourth Proportional to 213,749.20, 294,982 and 116,959.60

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Solution

The fourth proportional to 213,749.20, 294,982 and 116,959.60 is: 161,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,749.20 : 294,982 = 116,959.60 : x
  2. Step 2: Convert to fraction form
    213,749.20/294,982 = 116,959.60/x
  3. Step 3: Cross multiply
    213,749.20x = 294,982 × 116,959.60
  4. Step 4: Simplify right side
    213,749.20x = 34,500,976,727.20
  5. Step 5: Solve for x
    x = 34,500,976,727.20/213,749.20
  6. Step 6: Final answer
    x = 161,408.68

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1.5x scale

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.