Home / 164,930.04-247,198.20-90,069

Finding the Fourth Proportional to 164,930.04, 247,198.20 and 90,069

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Solution

The fourth proportional to 164,930.04, 247,198.20 and 90,069 is: 134,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,930.04 : 247,198.20 = 90,069 : x
  2. Step 2: Convert to fraction form
    164,930.04/247,198.20 = 90,069/x
  3. Step 3: Cross multiply
    164,930.04x = 247,198.20 × 90,069
  4. Step 4: Simplify right side
    164,930.04x = 22,264,894,675.80
  5. Step 5: Solve for x
    x = 22,264,894,675.80/164,930.04
  6. Step 6: Final answer
    x = 134,995.99

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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.