Home / 213,565.16-294,720.42-122,926.76

Finding the Fourth Proportional to 213,565.16, 294,720.42 and 122,926.76

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Solution

The fourth proportional to 213,565.16, 294,720.42 and 122,926.76 is: 169,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,565.16 : 294,720.42 = 122,926.76 : x
  2. Step 2: Convert to fraction form
    213,565.16/294,720.42 = 122,926.76/x
  3. Step 3: Cross multiply
    213,565.16x = 294,720.42 × 122,926.76
  4. Step 4: Simplify right side
    213,565.16x = 36,229,026,336.44
  5. Step 5: Solve for x
    x = 36,229,026,336.44/213,565.16
  6. Step 6: Final answer
    x = 169,639.22

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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.