Home / 255,428.44-352,502.18-142,251.19

Finding the Fourth Proportional to 255,428.44, 352,502.18 and 142,251.19

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Solution

The fourth proportional to 255,428.44, 352,502.18 and 142,251.19 is: 196,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,428.44 : 352,502.18 = 142,251.19 : x
  2. Step 2: Convert to fraction form
    255,428.44/352,502.18 = 142,251.19/x
  3. Step 3: Cross multiply
    255,428.44x = 352,502.18 × 142,251.19
  4. Step 4: Simplify right side
    255,428.44x = 50,143,853,523.52
  5. Step 5: Solve for x
    x = 50,143,853,523.52/255,428.44
  6. Step 6: Final answer
    x = 196,312.73

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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.