Home / 130,669.44-196,059.30-71,435.92

Finding the Fourth Proportional to 130,669.44, 196,059.30 and 71,435.92

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Solution

The fourth proportional to 130,669.44, 196,059.30 and 71,435.92 is: 107,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,669.44 : 196,059.30 = 71,435.92 : x
  2. Step 2: Convert to fraction form
    130,669.44/196,059.30 = 71,435.92/x
  3. Step 3: Cross multiply
    130,669.44x = 196,059.30 × 71,435.92
  4. Step 4: Simplify right side
    130,669.44x = 14,005,676,470.06
  5. Step 5: Solve for x
    x = 14,005,676,470.06/130,669.44
  6. Step 6: Final answer
    x = 107,184.02

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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.