Home / 120,316.11-166,073.22-69,362.88

Finding the Fourth Proportional to 120,316.11, 166,073.22 and 69,362.88

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Solution

The fourth proportional to 120,316.11, 166,073.22 and 69,362.88 is: 95,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,316.11 : 166,073.22 = 69,362.88 : x
  2. Step 2: Convert to fraction form
    120,316.11/166,073.22 = 69,362.88/x
  3. Step 3: Cross multiply
    120,316.11x = 166,073.22 × 69,362.88
  4. Step 4: Simplify right side
    120,316.11x = 11,519,316,830.07
  5. Step 5: Solve for x
    x = 11,519,316,830.07/120,316.11
  6. Step 6: Final answer
    x = 95,742.10

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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.