Home / 213,143.87-294,138.56-117,650.58

Finding the Fourth Proportional to 213,143.87, 294,138.56 and 117,650.58

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Solution

The fourth proportional to 213,143.87, 294,138.56 and 117,650.58 is: 162,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,143.87 : 294,138.56 = 117,650.58 : x
  2. Step 2: Convert to fraction form
    213,143.87/294,138.56 = 117,650.58/x
  3. Step 3: Cross multiply
    213,143.87x = 294,138.56 × 117,650.58
  4. Step 4: Simplify right side
    213,143.87x = 34,605,572,478.49
  5. Step 5: Solve for x
    x = 34,605,572,478.49/213,143.87
  6. Step 6: Final answer
    x = 162,357.82

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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.