Home / 102,688.20-153,930.24-32,514.66

Finding the Fourth Proportional to 102,688.20, 153,930.24 and 32,514.66

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Solution

The fourth proportional to 102,688.20, 153,930.24 and 32,514.66 is: 48,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,688.20 : 153,930.24 = 32,514.66 : x
  2. Step 2: Convert to fraction form
    102,688.20/153,930.24 = 32,514.66/x
  3. Step 3: Cross multiply
    102,688.20x = 153,930.24 × 32,514.66
  4. Step 4: Simplify right side
    102,688.20x = 5,004,989,417.32
  5. Step 5: Solve for x
    x = 5,004,989,417.32/102,688.20
  6. Step 6: Final answer
    x = 48,739.67

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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.