Home / 131,293.28-196,803.84-61,114.88

Finding the Fourth Proportional to 131,293.28, 196,803.84 and 61,114.88

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Solution

The fourth proportional to 131,293.28, 196,803.84 and 61,114.88 is: 91,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,293.28 : 196,803.84 = 61,114.88 : x
  2. Step 2: Convert to fraction form
    131,293.28/196,803.84 = 61,114.88/x
  3. Step 3: Cross multiply
    131,293.28x = 196,803.84 × 61,114.88
  4. Step 4: Simplify right side
    131,293.28x = 12,027,643,065.14
  5. Step 5: Solve for x
    x = 12,027,643,065.14/131,293.28
  6. Step 6: Final answer
    x = 91,608.98

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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.