Home / 213,436.71-320,155.02-55,664.73

Finding the Fourth Proportional to 213,436.71, 320,155.02 and 55,664.73

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Solution

The fourth proportional to 213,436.71, 320,155.02 and 55,664.73 is: 83,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,436.71 : 320,155.02 = 55,664.73 : x
  2. Step 2: Convert to fraction form
    213,436.71/320,155.02 = 55,664.73/x
  3. Step 3: Cross multiply
    213,436.71x = 320,155.02 × 55,664.73
  4. Step 4: Simplify right side
    213,436.71x = 17,821,342,746.44
  5. Step 5: Solve for x
    x = 17,821,342,746.44/213,436.71
  6. Step 6: Final answer
    x = 83,497.08

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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.