Home / 151,749.14-227,511.24-72,788.18

Finding the Fourth Proportional to 151,749.14, 227,511.24 and 72,788.18

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Solution

The fourth proportional to 151,749.14, 227,511.24 and 72,788.18 is: 109,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,749.14 : 227,511.24 = 72,788.18 : x
  2. Step 2: Convert to fraction form
    151,749.14/227,511.24 = 72,788.18/x
  3. Step 3: Cross multiply
    151,749.14x = 227,511.24 × 72,788.18
  4. Step 4: Simplify right side
    151,749.14x = 16,560,129,089.14
  5. Step 5: Solve for x
    x = 16,560,129,089.14/151,749.14
  6. Step 6: Final answer
    x = 109,128.32

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1.5x scale

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.