Home / 120,565.28-166,345.56-69,574.16

Finding the Fourth Proportional to 120,565.28, 166,345.56 and 69,574.16

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Solution

The fourth proportional to 120,565.28, 166,345.56 and 69,574.16 is: 95,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,565.28 : 166,345.56 = 69,574.16 : x
  2. Step 2: Convert to fraction form
    120,565.28/166,345.56 = 69,574.16/x
  3. Step 3: Cross multiply
    120,565.28x = 166,345.56 × 69,574.16
  4. Step 4: Simplify right side
    120,565.28x = 11,573,352,606.73
  5. Step 5: Solve for x
    x = 11,573,352,606.73/120,565.28
  6. Step 6: Final answer
    x = 95,992.42

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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.