Home / 179,870.11-248,221.11-99,297.74

Finding the Fourth Proportional to 179,870.11, 248,221.11 and 99,297.74

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Solution

The fourth proportional to 179,870.11, 248,221.11 and 99,297.74 is: 137,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,870.11 : 248,221.11 = 99,297.74 : x
  2. Step 2: Convert to fraction form
    179,870.11/248,221.11 = 99,297.74/x
  3. Step 3: Cross multiply
    179,870.11x = 248,221.11 × 99,297.74
  4. Step 4: Simplify right side
    179,870.11x = 24,647,795,491.54
  5. Step 5: Solve for x
    x = 24,647,795,491.54/179,870.11
  6. Step 6: Final answer
    x = 137,031.08

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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.