Home / 242,956.20-364,434.30-85,200.60

Finding the Fourth Proportional to 242,956.20, 364,434.30 and 85,200.60

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Solution

The fourth proportional to 242,956.20, 364,434.30 and 85,200.60 is: 127,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,956.20 : 364,434.30 = 85,200.60 : x
  2. Step 2: Convert to fraction form
    242,956.20/364,434.30 = 85,200.60/x
  3. Step 3: Cross multiply
    242,956.20x = 364,434.30 × 85,200.60
  4. Step 4: Simplify right side
    242,956.20x = 31,050,021,020.58
  5. Step 5: Solve for x
    x = 31,050,021,020.58/242,956.20
  6. Step 6: Final answer
    x = 127,800.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.