Home / 142,311.92-196,481.02-88,675.74

Finding the Fourth Proportional to 142,311.92, 196,481.02 and 88,675.74

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Solution

The fourth proportional to 142,311.92, 196,481.02 and 88,675.74 is: 122,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,311.92 : 196,481.02 = 88,675.74 : x
  2. Step 2: Convert to fraction form
    142,311.92/196,481.02 = 88,675.74/x
  3. Step 3: Cross multiply
    142,311.92x = 196,481.02 × 88,675.74
  4. Step 4: Simplify right side
    142,311.92x = 17,423,099,844.45
  5. Step 5: Solve for x
    x = 17,423,099,844.45/142,311.92
  6. Step 6: Final answer
    x = 122,428.96

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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.