Home / 179,957.21-248,342.82-99,386.78

Finding the Fourth Proportional to 179,957.21, 248,342.82 and 99,386.78

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Solution

The fourth proportional to 179,957.21, 248,342.82 and 99,386.78 is: 137,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,957.21 : 248,342.82 = 99,386.78 : x
  2. Step 2: Convert to fraction form
    179,957.21/248,342.82 = 99,386.78/x
  3. Step 3: Cross multiply
    179,957.21x = 248,342.82 × 99,386.78
  4. Step 4: Simplify right side
    179,957.21x = 24,681,993,215.92
  5. Step 5: Solve for x
    x = 24,681,993,215.92/179,957.21
  6. Step 6: Final answer
    x = 137,154.79

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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.