Home / 255,440.96-352,508.52-142,263.71

Finding the Fourth Proportional to 255,440.96, 352,508.52 and 142,263.71

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Solution

The fourth proportional to 255,440.96, 352,508.52 and 142,263.71 is: 196,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,440.96 : 352,508.52 = 142,263.71 : x
  2. Step 2: Convert to fraction form
    255,440.96/352,508.52 = 142,263.71/x
  3. Step 3: Cross multiply
    255,440.96x = 352,508.52 × 142,263.71
  4. Step 4: Simplify right side
    255,440.96x = 50,149,169,861.81
  5. Step 5: Solve for x
    x = 50,149,169,861.81/255,440.96
  6. Step 6: Final answer
    x = 196,323.92

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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.