Home / 102,467.48-141,404.85-57,145.52

Finding the Fourth Proportional to 102,467.48, 141,404.85 and 57,145.52

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Solution

The fourth proportional to 102,467.48, 141,404.85 and 57,145.52 is: 78,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,467.48 : 141,404.85 = 57,145.52 : x
  2. Step 2: Convert to fraction form
    102,467.48/141,404.85 = 57,145.52/x
  3. Step 3: Cross multiply
    102,467.48x = 141,404.85 × 57,145.52
  4. Step 4: Simplify right side
    102,467.48x = 8,080,653,683.77
  5. Step 5: Solve for x
    x = 8,080,653,683.77/102,467.48
  6. Step 6: Final answer
    x = 78,860.67

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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.