Home / 213,538.24-294,712.16-122,892.40

Finding the Fourth Proportional to 213,538.24, 294,712.16 and 122,892.40

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Solution

The fourth proportional to 213,538.24, 294,712.16 and 122,892.40 is: 169,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,538.24 : 294,712.16 = 122,892.40 : x
  2. Step 2: Convert to fraction form
    213,538.24/294,712.16 = 122,892.40/x
  3. Step 3: Cross multiply
    213,538.24x = 294,712.16 × 122,892.40
  4. Step 4: Simplify right side
    213,538.24x = 36,217,884,651.58
  5. Step 5: Solve for x
    x = 36,217,884,651.58/213,538.24
  6. Step 6: Final answer
    x = 169,608.43

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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.