Home / 144,181.52-215,982.28-71,916.56

Finding the Fourth Proportional to 144,181.52, 215,982.28 and 71,916.56

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Solution

The fourth proportional to 144,181.52, 215,982.28 and 71,916.56 is: 107,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,181.52 : 215,982.28 = 71,916.56 : x
  2. Step 2: Convert to fraction form
    144,181.52/215,982.28 = 71,916.56/x
  3. Step 3: Cross multiply
    144,181.52x = 215,982.28 × 71,916.56
  4. Step 4: Simplify right side
    144,181.52x = 15,532,702,598.56
  5. Step 5: Solve for x
    x = 15,532,702,598.56/144,181.52
  6. Step 6: Final answer
    x = 107,730.19

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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.