Home / 120,314.37-166,031.81-66,598.23

Finding the Fourth Proportional to 120,314.37, 166,031.81 and 66,598.23

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Solution

The fourth proportional to 120,314.37, 166,031.81 and 66,598.23 is: 91,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,314.37 : 166,031.81 = 66,598.23 : x
  2. Step 2: Convert to fraction form
    120,314.37/166,031.81 = 66,598.23/x
  3. Step 3: Cross multiply
    120,314.37x = 166,031.81 × 66,598.23
  4. Step 4: Simplify right side
    120,314.37x = 11,057,424,669.70
  5. Step 5: Solve for x
    x = 11,057,424,669.70/120,314.37
  6. Step 6: Final answer
    x = 91,904.44

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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.