Home / 255,446.60-352,527.18-142,269.35

Finding the Fourth Proportional to 255,446.60, 352,527.18 and 142,269.35

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Solution

The fourth proportional to 255,446.60, 352,527.18 and 142,269.35 is: 196,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,446.60 : 352,527.18 = 142,269.35 : x
  2. Step 2: Convert to fraction form
    255,446.60/352,527.18 = 142,269.35/x
  3. Step 3: Cross multiply
    255,446.60x = 352,527.18 × 142,269.35
  4. Step 4: Simplify right side
    255,446.60x = 50,153,812,755.93
  5. Step 5: Solve for x
    x = 50,153,812,755.93/255,446.60
  6. Step 6: Final answer
    x = 196,337.76

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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.