Home / 218,582.23-301,644.11-126,719.43

Finding the Fourth Proportional to 218,582.23, 301,644.11 and 126,719.43

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Solution

The fourth proportional to 218,582.23, 301,644.11 and 126,719.43 is: 174,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,582.23 : 301,644.11 = 126,719.43 : x
  2. Step 2: Convert to fraction form
    218,582.23/301,644.11 = 126,719.43/x
  3. Step 3: Cross multiply
    218,582.23x = 301,644.11 × 126,719.43
  4. Step 4: Simplify right side
    218,582.23x = 38,224,169,682.06
  5. Step 5: Solve for x
    x = 38,224,169,682.06/218,582.23
  6. Step 6: Final answer
    x = 174,873.18

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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.