Home / 179,158.96-268,842.28-90,419.40

Finding the Fourth Proportional to 179,158.96, 268,842.28 and 90,419.40

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Solution

The fourth proportional to 179,158.96, 268,842.28 and 90,419.40 is: 135,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,158.96 : 268,842.28 = 90,419.40 : x
  2. Step 2: Convert to fraction form
    179,158.96/268,842.28 = 90,419.40/x
  3. Step 3: Cross multiply
    179,158.96x = 268,842.28 × 90,419.40
  4. Step 4: Simplify right side
    179,158.96x = 24,308,557,652.23
  5. Step 5: Solve for x
    x = 24,308,557,652.23/179,158.96
  6. Step 6: Final answer
    x = 135,681.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.