Home / 206,370.14-309,503.25-79,967.00

Finding the Fourth Proportional to 206,370.14, 309,503.25 and 79,967.00

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Solution

The fourth proportional to 206,370.14, 309,503.25 and 79,967.00 is: 119,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,370.14 : 309,503.25 = 79,967.00 : x
  2. Step 2: Convert to fraction form
    206,370.14/309,503.25 = 79,967.00/x
  3. Step 3: Cross multiply
    206,370.14x = 309,503.25 × 79,967.00
  4. Step 4: Simplify right side
    206,370.14x = 24,750,047,166.51
  5. Step 5: Solve for x
    x = 24,750,047,166.51/206,370.14
  6. Step 6: Final answer
    x = 119,930.37

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1.5x scale

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.