Home / 236,742.96-326,701.74-129,310.80

Finding the Fourth Proportional to 236,742.96, 326,701.74 and 129,310.80

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Solution

The fourth proportional to 236,742.96, 326,701.74 and 129,310.80 is: 178,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,742.96 : 326,701.74 = 129,310.80 : x
  2. Step 2: Convert to fraction form
    236,742.96/326,701.74 = 129,310.80/x
  3. Step 3: Cross multiply
    236,742.96x = 326,701.74 × 129,310.80
  4. Step 4: Simplify right side
    236,742.96x = 42,246,063,360.79
  5. Step 5: Solve for x
    x = 42,246,063,360.79/236,742.96
  6. Step 6: Final answer
    x = 178,446.97

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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.