Home / 255,515.20-352,621.60-142,337.92

Finding the Fourth Proportional to 255,515.20, 352,621.60 and 142,337.92

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Solution

The fourth proportional to 255,515.20, 352,621.60 and 142,337.92 is: 196,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,515.20 : 352,621.60 = 142,337.92 : x
  2. Step 2: Convert to fraction form
    255,515.20/352,621.60 = 142,337.92/x
  3. Step 3: Cross multiply
    255,515.20x = 352,621.60 × 142,337.92
  4. Step 4: Simplify right side
    255,515.20x = 50,191,425,091.07
  5. Step 5: Solve for x
    x = 50,191,425,091.07/255,515.20
  6. Step 6: Final answer
    x = 196,432.25

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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.