Home / 70,151.76-105,233.04-23,404.56

Finding the Fourth Proportional to 70,151.76, 105,233.04 and 23,404.56

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Solution

The fourth proportional to 70,151.76, 105,233.04 and 23,404.56 is: 35,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151.76 : 105,233.04 = 23,404.56 : x
  2. Step 2: Convert to fraction form
    70,151.76/105,233.04 = 23,404.56/x
  3. Step 3: Cross multiply
    70,151.76x = 105,233.04 × 23,404.56
  4. Step 4: Simplify right side
    70,151.76x = 2,462,932,998.66
  5. Step 5: Solve for x
    x = 2,462,932,998.66/70,151.76
  6. Step 6: Final answer
    x = 35,108.64

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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.