Home / 234,138.16-323,111.49-126,708.18

Finding the Fourth Proportional to 234,138.16, 323,111.49 and 126,708.18

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Solution

The fourth proportional to 234,138.16, 323,111.49 and 126,708.18 is: 174,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,138.16 : 323,111.49 = 126,708.18 : x
  2. Step 2: Convert to fraction form
    234,138.16/323,111.49 = 126,708.18/x
  3. Step 3: Cross multiply
    234,138.16x = 323,111.49 × 126,708.18
  4. Step 4: Simplify right side
    234,138.16x = 40,940,868,834.99
  5. Step 5: Solve for x
    x = 40,940,868,834.99/234,138.16
  6. Step 6: Final answer
    x = 174,857.74

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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.