Home / 120,719.97-166,590.99-67,001.76

Finding the Fourth Proportional to 120,719.97, 166,590.99 and 67,001.76

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Solution

The fourth proportional to 120,719.97, 166,590.99 and 67,001.76 is: 92,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,719.97 : 166,590.99 = 67,001.76 : x
  2. Step 2: Convert to fraction form
    120,719.97/166,590.99 = 67,001.76/x
  3. Step 3: Cross multiply
    120,719.97x = 166,590.99 × 67,001.76
  4. Step 4: Simplify right side
    120,719.97x = 11,161,889,530.14
  5. Step 5: Solve for x
    x = 11,161,889,530.14/120,719.97
  6. Step 6: Final answer
    x = 92,461.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.