Home / 179,747.20-248,048.74-99,178.12

Finding the Fourth Proportional to 179,747.20, 248,048.74 and 99,178.12

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Solution

The fourth proportional to 179,747.20, 248,048.74 and 99,178.12 is: 136,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,747.20 : 248,048.74 = 99,178.12 : x
  2. Step 2: Convert to fraction form
    179,747.20/248,048.74 = 99,178.12/x
  3. Step 3: Cross multiply
    179,747.20x = 248,048.74 × 99,178.12
  4. Step 4: Simplify right side
    179,747.20x = 24,601,007,701.57
  5. Step 5: Solve for x
    x = 24,601,007,701.57/179,747.20
  6. Step 6: Final answer
    x = 136,864.48

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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.