Home / 213,738.32-320,594.52-55,963.28

Finding the Fourth Proportional to 213,738.32, 320,594.52 and 55,963.28

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Solution

The fourth proportional to 213,738.32, 320,594.52 and 55,963.28 is: 83,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,738.32 : 320,594.52 = 55,963.28 : x
  2. Step 2: Convert to fraction form
    213,738.32/320,594.52 = 55,963.28/x
  3. Step 3: Cross multiply
    213,738.32x = 320,594.52 × 55,963.28
  4. Step 4: Simplify right side
    213,738.32x = 17,941,520,889.23
  5. Step 5: Solve for x
    x = 17,941,520,889.23/213,738.32
  6. Step 6: Final answer
    x = 83,941.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.