Home / 120,314.02-166,031.34-66,597.88

Finding the Fourth Proportional to 120,314.02, 166,031.34 and 66,597.88

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Solution

The fourth proportional to 120,314.02, 166,031.34 and 66,597.88 is: 91,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,314.02 : 166,031.34 = 66,597.88 : x
  2. Step 2: Convert to fraction form
    120,314.02/166,031.34 = 66,597.88/x
  3. Step 3: Cross multiply
    120,314.02x = 166,031.34 × 66,597.88
  4. Step 4: Simplify right side
    120,314.02x = 11,057,334,924.57
  5. Step 5: Solve for x
    x = 11,057,334,924.57/120,314.02
  6. Step 6: Final answer
    x = 91,903.96

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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.