Home / 120,349.56-166,084.98-65,904.03

Finding the Fourth Proportional to 120,349.56, 166,084.98 and 65,904.03

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Solution

The fourth proportional to 120,349.56, 166,084.98 and 65,904.03 is: 90,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,349.56 : 166,084.98 = 65,904.03 : x
  2. Step 2: Convert to fraction form
    120,349.56/166,084.98 = 65,904.03/x
  3. Step 3: Cross multiply
    120,349.56x = 166,084.98 × 65,904.03
  4. Step 4: Simplify right side
    120,349.56x = 10,945,669,628.04
  5. Step 5: Solve for x
    x = 10,945,669,628.04/120,349.56
  6. Step 6: Final answer
    x = 90,948.98

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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.