Home / 178,147.36-245,848.13-100,616.79

Finding the Fourth Proportional to 178,147.36, 245,848.13 and 100,616.79

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Solution

The fourth proportional to 178,147.36, 245,848.13 and 100,616.79 is: 138,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,147.36 : 245,848.13 = 100,616.79 : x
  2. Step 2: Convert to fraction form
    178,147.36/245,848.13 = 100,616.79/x
  3. Step 3: Cross multiply
    178,147.36x = 245,848.13 × 100,616.79
  4. Step 4: Simplify right side
    178,147.36x = 24,736,449,668.10
  5. Step 5: Solve for x
    x = 24,736,449,668.10/178,147.36
  6. Step 6: Final answer
    x = 138,853.87

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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.