Home / 234,419.28-323,500.18-126,989.32

Finding the Fourth Proportional to 234,419.28, 323,500.18 and 126,989.32

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Solution

The fourth proportional to 234,419.28, 323,500.18 and 126,989.32 is: 175,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,419.28 : 323,500.18 = 126,989.32 : x
  2. Step 2: Convert to fraction form
    234,419.28/323,500.18 = 126,989.32/x
  3. Step 3: Cross multiply
    234,419.28x = 323,500.18 × 126,989.32
  4. Step 4: Simplify right side
    234,419.28x = 41,081,067,878.08
  5. Step 5: Solve for x
    x = 41,081,067,878.08/234,419.28
  6. Step 6: Final answer
    x = 175,246.11

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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.