Home / 120,510.32-166,301.64-66,794.83

Finding the Fourth Proportional to 120,510.32, 166,301.64 and 66,794.83

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Solution

The fourth proportional to 120,510.32, 166,301.64 and 66,794.83 is: 92,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,510.32 : 166,301.64 = 66,794.83 : x
  2. Step 2: Convert to fraction form
    120,510.32/166,301.64 = 66,794.83/x
  3. Step 3: Cross multiply
    120,510.32x = 166,301.64 × 66,794.83
  4. Step 4: Simplify right side
    120,510.32x = 11,108,089,356.77
  5. Step 5: Solve for x
    x = 11,108,089,356.77/120,510.32
  6. Step 6: Final answer
    x = 92,175.42

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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.