Home / 120,392.21-166,127.01-69,421.69

Finding the Fourth Proportional to 120,392.21, 166,127.01 and 69,421.69

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Solution

The fourth proportional to 120,392.21, 166,127.01 and 69,421.69 is: 95,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,392.21 : 166,127.01 = 69,421.69 : x
  2. Step 2: Convert to fraction form
    120,392.21/166,127.01 = 69,421.69/x
  3. Step 3: Cross multiply
    120,392.21x = 166,127.01 × 69,421.69
  4. Step 4: Simplify right side
    120,392.21x = 11,532,818,083.28
  5. Step 5: Solve for x
    x = 11,532,818,083.28/120,392.21
  6. Step 6: Final answer
    x = 95,793.72

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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.