Home / 120,525.27-166,307.38-66,810.25

Finding the Fourth Proportional to 120,525.27, 166,307.38 and 66,810.25

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Solution

The fourth proportional to 120,525.27, 166,307.38 and 66,810.25 is: 92,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,525.27 : 166,307.38 = 66,810.25 : x
  2. Step 2: Convert to fraction form
    120,525.27/166,307.38 = 66,810.25/x
  3. Step 3: Cross multiply
    120,525.27x = 166,307.38 × 66,810.25
  4. Step 4: Simplify right side
    120,525.27x = 11,111,037,634.65
  5. Step 5: Solve for x
    x = 11,111,037,634.65/120,525.27
  6. Step 6: Final answer
    x = 92,188.45

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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.