Home / 130,886.94-196,310.97-47,761.50

Finding the Fourth Proportional to 130,886.94, 196,310.97 and 47,761.50

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Solution

The fourth proportional to 130,886.94, 196,310.97 and 47,761.50 is: 71,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,886.94 : 196,310.97 = 47,761.50 : x
  2. Step 2: Convert to fraction form
    130,886.94/196,310.97 = 47,761.50/x
  3. Step 3: Cross multiply
    130,886.94x = 196,310.97 × 47,761.50
  4. Step 4: Simplify right side
    130,886.94x = 9,376,106,393.66
  5. Step 5: Solve for x
    x = 9,376,106,393.66/130,886.94
  6. Step 6: Final answer
    x = 71,635.16

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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.