Home / 172,446.04-258,698.22-78,959.08

Finding the Fourth Proportional to 172,446.04, 258,698.22 and 78,959.08

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Solution

The fourth proportional to 172,446.04, 258,698.22 and 78,959.08 is: 118,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,446.04 : 258,698.22 = 78,959.08 : x
  2. Step 2: Convert to fraction form
    172,446.04/258,698.22 = 78,959.08/x
  3. Step 3: Cross multiply
    172,446.04x = 258,698.22 × 78,959.08
  4. Step 4: Simplify right side
    172,446.04x = 20,426,573,448.84
  5. Step 5: Solve for x
    x = 20,426,573,448.84/172,446.04
  6. Step 6: Final answer
    x = 118,451.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.