Home / 149,494.30-206,294.70-84,955.12

Finding the Fourth Proportional to 149,494.30, 206,294.70 and 84,955.12

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Solution

The fourth proportional to 149,494.30, 206,294.70 and 84,955.12 is: 117,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,494.30 : 206,294.70 = 84,955.12 : x
  2. Step 2: Convert to fraction form
    149,494.30/206,294.70 = 84,955.12/x
  3. Step 3: Cross multiply
    149,494.30x = 206,294.70 × 84,955.12
  4. Step 4: Simplify right side
    149,494.30x = 17,525,790,993.86
  5. Step 5: Solve for x
    x = 17,525,790,993.86/149,494.30
  6. Step 6: Final answer
    x = 117,233.84

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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.