Home / 120,384.48-166,112.85-69,393.21

Finding the Fourth Proportional to 120,384.48, 166,112.85 and 69,393.21

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Solution

The fourth proportional to 120,384.48, 166,112.85 and 69,393.21 is: 95,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384.48 : 166,112.85 = 69,393.21 : x
  2. Step 2: Convert to fraction form
    120,384.48/166,112.85 = 69,393.21/x
  3. Step 3: Cross multiply
    120,384.48x = 166,112.85 × 69,393.21
  4. Step 4: Simplify right side
    120,384.48x = 11,527,103,883.75
  5. Step 5: Solve for x
    x = 11,527,103,883.75/120,384.48
  6. Step 6: Final answer
    x = 95,752.41

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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.