Home / 213,275.52-294,318.60-117,781.44

Finding the Fourth Proportional to 213,275.52, 294,318.60 and 117,781.44

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Solution

The fourth proportional to 213,275.52, 294,318.60 and 117,781.44 is: 162,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,275.52 : 294,318.60 = 117,781.44 : x
  2. Step 2: Convert to fraction form
    213,275.52/294,318.60 = 117,781.44/x
  3. Step 3: Cross multiply
    213,275.52x = 294,318.60 × 117,781.44
  4. Step 4: Simplify right side
    213,275.52x = 34,665,268,526.78
  5. Step 5: Solve for x
    x = 34,665,268,526.78/213,275.52
  6. Step 6: Final answer
    x = 162,537.49

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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.