Home / 191,172.88-263,817.96-106,289.92

Finding the Fourth Proportional to 191,172.88, 263,817.96 and 106,289.92

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Solution

The fourth proportional to 191,172.88, 263,817.96 and 106,289.92 is: 146,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,172.88 : 263,817.96 = 106,289.92 : x
  2. Step 2: Convert to fraction form
    191,172.88/263,817.96 = 106,289.92/x
  3. Step 3: Cross multiply
    191,172.88x = 263,817.96 × 106,289.92
  4. Step 4: Simplify right side
    191,172.88x = 28,041,189,862.96
  5. Step 5: Solve for x
    x = 28,041,189,862.96/191,172.88
  6. Step 6: Final answer
    x = 146,679.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.