Home / 104,353.08-156,409.62-45,129.24

Finding the Fourth Proportional to 104,353.08, 156,409.62 and 45,129.24

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Solution

The fourth proportional to 104,353.08, 156,409.62 and 45,129.24 is: 67,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,353.08 : 156,409.62 = 45,129.24 : x
  2. Step 2: Convert to fraction form
    104,353.08/156,409.62 = 45,129.24/x
  3. Step 3: Cross multiply
    104,353.08x = 156,409.62 × 45,129.24
  4. Step 4: Simplify right side
    104,353.08x = 7,058,647,279.29
  5. Step 5: Solve for x
    x = 7,058,647,279.29/104,353.08
  6. Step 6: Final answer
    x = 67,641.96

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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.