Home / 218,016.96-326,742.47-97,985.22

Finding the Fourth Proportional to 218,016.96, 326,742.47 and 97,985.22

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Solution

The fourth proportional to 218,016.96, 326,742.47 and 97,985.22 is: 146,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,016.96 : 326,742.47 = 97,985.22 : x
  2. Step 2: Convert to fraction form
    218,016.96/326,742.47 = 97,985.22/x
  3. Step 3: Cross multiply
    218,016.96x = 326,742.47 × 97,985.22
  4. Step 4: Simplify right side
    218,016.96x = 32,015,932,806.29
  5. Step 5: Solve for x
    x = 32,015,932,806.29/218,016.96
  6. Step 6: Final answer
    x = 146,850.65

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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.