Home / 255,377.81-352,432.32-142,200.56

Finding the Fourth Proportional to 255,377.81, 352,432.32 and 142,200.56

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Solution

The fourth proportional to 255,377.81, 352,432.32 and 142,200.56 is: 196,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,377.81 : 352,432.32 = 142,200.56 : x
  2. Step 2: Convert to fraction form
    255,377.81/352,432.32 = 142,200.56/x
  3. Step 3: Cross multiply
    255,377.81x = 352,432.32 × 142,200.56
  4. Step 4: Simplify right side
    255,377.81x = 50,116,073,613.93
  5. Step 5: Solve for x
    x = 50,116,073,613.93/255,377.81
  6. Step 6: Final answer
    x = 196,242.87

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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.