Home / 130,051.28-195,083.60-41,311.72

Finding the Fourth Proportional to 130,051.28, 195,083.60 and 41,311.72

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Solution

The fourth proportional to 130,051.28, 195,083.60 and 41,311.72 is: 61,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,051.28 : 195,083.60 = 41,311.72 : x
  2. Step 2: Convert to fraction form
    130,051.28/195,083.60 = 41,311.72/x
  3. Step 3: Cross multiply
    130,051.28x = 195,083.60 × 41,311.72
  4. Step 4: Simplify right side
    130,051.28x = 8,059,239,059.79
  5. Step 5: Solve for x
    x = 8,059,239,059.79/130,051.28
  6. Step 6: Final answer
    x = 61,969.70

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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.