Home / 120,364.81-166,102.27-69,358.80

Finding the Fourth Proportional to 120,364.81, 166,102.27 and 69,358.80

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Solution

The fourth proportional to 120,364.81, 166,102.27 and 69,358.80 is: 95,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,364.81 : 166,102.27 = 69,358.80 : x
  2. Step 2: Convert to fraction form
    120,364.81/166,102.27 = 69,358.80/x
  3. Step 3: Cross multiply
    120,364.81x = 166,102.27 × 69,358.80
  4. Step 4: Simplify right side
    120,364.81x = 11,520,654,124.48
  5. Step 5: Solve for x
    x = 11,520,654,124.48/120,364.81
  6. Step 6: Final answer
    x = 95,714.47

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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.