Home / 131,553.64-197,284.56-42,790.60

Finding the Fourth Proportional to 131,553.64, 197,284.56 and 42,790.60

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Solution

The fourth proportional to 131,553.64, 197,284.56 and 42,790.60 is: 64,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,553.64 : 197,284.56 = 42,790.60 : x
  2. Step 2: Convert to fraction form
    131,553.64/197,284.56 = 42,790.60/x
  3. Step 3: Cross multiply
    131,553.64x = 197,284.56 × 42,790.60
  4. Step 4: Simplify right side
    131,553.64x = 8,441,924,693.14
  5. Step 5: Solve for x
    x = 8,441,924,693.14/131,553.64
  6. Step 6: Final answer
    x = 64,170.97

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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.