Home / 196,215.20-293,666.70-137,166.20

Finding the Fourth Proportional to 196,215.20, 293,666.70 and 137,166.20

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Solution

The fourth proportional to 196,215.20, 293,666.70 and 137,166.20 is: 205,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,215.20 : 293,666.70 = 137,166.20 : x
  2. Step 2: Convert to fraction form
    196,215.20/293,666.70 = 137,166.20/x
  3. Step 3: Cross multiply
    196,215.20x = 293,666.70 × 137,166.20
  4. Step 4: Simplify right side
    196,215.20x = 40,281,145,305.54
  5. Step 5: Solve for x
    x = 40,281,145,305.54/196,215.20
  6. Step 6: Final answer
    x = 205,290.65

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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.