Home / 142,593.72-196,800.04-82,152.60

Finding the Fourth Proportional to 142,593.72, 196,800.04 and 82,152.60

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Solution

The fourth proportional to 142,593.72, 196,800.04 and 82,152.60 is: 113,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,593.72 : 196,800.04 = 82,152.60 : x
  2. Step 2: Convert to fraction form
    142,593.72/196,800.04 = 82,152.60/x
  3. Step 3: Cross multiply
    142,593.72x = 196,800.04 × 82,152.60
  4. Step 4: Simplify right side
    142,593.72x = 16,167,634,966.10
  5. Step 5: Solve for x
    x = 16,167,634,966.10/142,593.72
  6. Step 6: Final answer
    x = 113,382.52

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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.