Home / 166,635.74-229,956.36-90,154.64

Finding the Fourth Proportional to 166,635.74, 229,956.36 and 90,154.64

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Solution

The fourth proportional to 166,635.74, 229,956.36 and 90,154.64 is: 124,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,635.74 : 229,956.36 = 90,154.64 : x
  2. Step 2: Convert to fraction form
    166,635.74/229,956.36 = 90,154.64/x
  3. Step 3: Cross multiply
    166,635.74x = 229,956.36 × 90,154.64
  4. Step 4: Simplify right side
    166,635.74x = 20,731,632,851.51
  5. Step 5: Solve for x
    x = 20,731,632,851.51/166,635.74
  6. Step 6: Final answer
    x = 124,412.88

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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.