Home / 147,555.29-220,874.77-79,919.34

Finding the Fourth Proportional to 147,555.29, 220,874.77 and 79,919.34

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Solution

The fourth proportional to 147,555.29, 220,874.77 and 79,919.34 is: 119,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,555.29 : 220,874.77 = 79,919.34 : x
  2. Step 2: Convert to fraction form
    147,555.29/220,874.77 = 79,919.34/x
  3. Step 3: Cross multiply
    147,555.29x = 220,874.77 × 79,919.34
  4. Step 4: Simplify right side
    147,555.29x = 17,652,166,113.96
  5. Step 5: Solve for x
    x = 17,652,166,113.96/147,555.29
  6. Step 6: Final answer
    x = 119,630.86

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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.