Home / 173,301.90-239,145.21-100,698.36

Finding the Fourth Proportional to 173,301.90, 239,145.21 and 100,698.36

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Solution

The fourth proportional to 173,301.90, 239,145.21 and 100,698.36 is: 138,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,301.90 : 239,145.21 = 100,698.36 : x
  2. Step 2: Convert to fraction form
    173,301.90/239,145.21 = 100,698.36/x
  3. Step 3: Cross multiply
    173,301.90x = 239,145.21 × 100,698.36
  4. Step 4: Simplify right side
    173,301.90x = 24,081,530,448.86
  5. Step 5: Solve for x
    x = 24,081,530,448.86/173,301.90
  6. Step 6: Final answer
    x = 138,957.11

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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.