Home / 179,990.79-248,402.66-99,427.11

Finding the Fourth Proportional to 179,990.79, 248,402.66 and 99,427.11

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Solution

The fourth proportional to 179,990.79, 248,402.66 and 99,427.11 is: 137,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,990.79 : 248,402.66 = 99,427.11 : x
  2. Step 2: Convert to fraction form
    179,990.79/248,402.66 = 99,427.11/x
  3. Step 3: Cross multiply
    179,990.79x = 248,402.66 × 99,427.11
  4. Step 4: Simplify right side
    179,990.79x = 24,697,958,600.11
  5. Step 5: Solve for x
    x = 24,697,958,600.11/179,990.79
  6. Step 6: Final answer
    x = 137,217.90

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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.