Home / 120,596.28-166,423.31-66,886.26

Finding the Fourth Proportional to 120,596.28, 166,423.31 and 66,886.26

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Solution

The fourth proportional to 120,596.28, 166,423.31 and 66,886.26 is: 92,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,596.28 : 166,423.31 = 66,886.26 : x
  2. Step 2: Convert to fraction form
    120,596.28/166,423.31 = 66,886.26/x
  3. Step 3: Cross multiply
    120,596.28x = 166,423.31 × 66,886.26
  4. Step 4: Simplify right side
    120,596.28x = 11,131,432,782.72
  5. Step 5: Solve for x
    x = 11,131,432,782.72/120,596.28
  6. Step 6: Final answer
    x = 92,303.28

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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.