Home / 120,574.02-166,394.14-66,861.30

Finding the Fourth Proportional to 120,574.02, 166,394.14 and 66,861.30

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Solution

The fourth proportional to 120,574.02, 166,394.14 and 66,861.30 is: 92,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,574.02 : 166,394.14 = 66,861.30 : x
  2. Step 2: Convert to fraction form
    120,574.02/166,394.14 = 66,861.30/x
  3. Step 3: Cross multiply
    120,574.02x = 166,394.14 × 66,861.30
  4. Step 4: Simplify right side
    120,574.02x = 11,125,328,512.78
  5. Step 5: Solve for x
    x = 11,125,328,512.78/120,574.02
  6. Step 6: Final answer
    x = 92,269.70

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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.