Home / 109,288.20-163,730.70-62,401.80

Finding the Fourth Proportional to 109,288.20, 163,730.70 and 62,401.80

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Solution

The fourth proportional to 109,288.20, 163,730.70 and 62,401.80 is: 93,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,288.20 : 163,730.70 = 62,401.80 : x
  2. Step 2: Convert to fraction form
    109,288.20/163,730.70 = 62,401.80/x
  3. Step 3: Cross multiply
    109,288.20x = 163,730.70 × 62,401.80
  4. Step 4: Simplify right side
    109,288.20x = 10,217,090,395.26
  5. Step 5: Solve for x
    x = 10,217,090,395.26/109,288.20
  6. Step 6: Final answer
    x = 93,487.59

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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.