Home / 162,297.91-223,966.92-90,678.43

Finding the Fourth Proportional to 162,297.91, 223,966.92 and 90,678.43

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Solution

The fourth proportional to 162,297.91, 223,966.92 and 90,678.43 is: 125,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,297.91 : 223,966.92 = 90,678.43 : x
  2. Step 2: Convert to fraction form
    162,297.91/223,966.92 = 90,678.43/x
  3. Step 3: Cross multiply
    162,297.91x = 223,966.92 × 90,678.43
  4. Step 4: Simplify right side
    162,297.91x = 20,308,968,677.54
  5. Step 5: Solve for x
    x = 20,308,968,677.54/162,297.91
  6. Step 6: Final answer
    x = 125,133.89

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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.