Home / 120,551.07-166,364.34-66,841.09

Finding the Fourth Proportional to 120,551.07, 166,364.34 and 66,841.09

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Solution

The fourth proportional to 120,551.07, 166,364.34 and 66,841.09 is: 92,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,551.07 : 166,364.34 = 66,841.09 : x
  2. Step 2: Convert to fraction form
    120,551.07/166,364.34 = 66,841.09/x
  3. Step 3: Cross multiply
    120,551.07x = 166,364.34 × 66,841.09
  4. Step 4: Simplify right side
    120,551.07x = 11,119,973,822.73
  5. Step 5: Solve for x
    x = 11,119,973,822.73/120,551.07
  6. Step 6: Final answer
    x = 92,242.85

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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.