Home / 130,166.78-195,027.27-71,043.93

Finding the Fourth Proportional to 130,166.78, 195,027.27 and 71,043.93

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Solution

The fourth proportional to 130,166.78, 195,027.27 and 71,043.93 is: 106,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,166.78 : 195,027.27 = 71,043.93 : x
  2. Step 2: Convert to fraction form
    130,166.78/195,027.27 = 71,043.93/x
  3. Step 3: Cross multiply
    130,166.78x = 195,027.27 × 71,043.93
  4. Step 4: Simplify right side
    130,166.78x = 13,855,503,717.97
  5. Step 5: Solve for x
    x = 13,855,503,717.97/130,166.78
  6. Step 6: Final answer
    x = 106,444.24

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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.