Home / 215,924.52-324,031.36-75,683.14

Finding the Fourth Proportional to 215,924.52, 324,031.36 and 75,683.14

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Solution

The fourth proportional to 215,924.52, 324,031.36 and 75,683.14 is: 113,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,924.52 : 324,031.36 = 75,683.14 : x
  2. Step 2: Convert to fraction form
    215,924.52/324,031.36 = 75,683.14/x
  3. Step 3: Cross multiply
    215,924.52x = 324,031.36 × 75,683.14
  4. Step 4: Simplify right side
    215,924.52x = 24,523,710,783.27
  5. Step 5: Solve for x
    x = 24,523,710,783.27/215,924.52
  6. Step 6: Final answer
    x = 113,575.39

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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.