Home / 242,425.20-334,546.76-140,509.79

Finding the Fourth Proportional to 242,425.20, 334,546.76 and 140,509.79

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Solution

The fourth proportional to 242,425.20, 334,546.76 and 140,509.79 is: 193,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,425.20 : 334,546.76 = 140,509.79 : x
  2. Step 2: Convert to fraction form
    242,425.20/334,546.76 = 140,509.79/x
  3. Step 3: Cross multiply
    242,425.20x = 334,546.76 × 140,509.79
  4. Step 4: Simplify right side
    242,425.20x = 47,007,094,135.50
  5. Step 5: Solve for x
    x = 47,007,094,135.50/242,425.20
  6. Step 6: Final answer
    x = 193,903.49

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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.