Home / 234,339.96-323,389.56-126,909.68

Finding the Fourth Proportional to 234,339.96, 323,389.56 and 126,909.68

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Solution

The fourth proportional to 234,339.96, 323,389.56 and 126,909.68 is: 175,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,339.96 : 323,389.56 = 126,909.68 : x
  2. Step 2: Convert to fraction form
    234,339.96/323,389.56 = 126,909.68/x
  3. Step 3: Cross multiply
    234,339.96x = 323,389.56 × 126,909.68
  4. Step 4: Simplify right side
    234,339.96x = 41,041,265,574.94
  5. Step 5: Solve for x
    x = 41,041,265,574.94/234,339.96
  6. Step 6: Final answer
    x = 175,135.58

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1.5x scale

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.