Home / 119,438.02-164,861.37-76,996.42

Finding the Fourth Proportional to 119,438.02, 164,861.37 and 76,996.42

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Solution

The fourth proportional to 119,438.02, 164,861.37 and 76,996.42 is: 106,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,438.02 : 164,861.37 = 76,996.42 : x
  2. Step 2: Convert to fraction form
    119,438.02/164,861.37 = 76,996.42/x
  3. Step 3: Cross multiply
    119,438.02x = 164,861.37 × 76,996.42
  4. Step 4: Simplify right side
    119,438.02x = 12,693,735,286.30
  5. Step 5: Solve for x
    x = 12,693,735,286.30/119,438.02
  6. Step 6: Final answer
    x = 106,278.85

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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.