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Finding the Fourth Proportional to 149,903.98, 206,888.59 and 95,438.75

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Solution

The fourth proportional to 149,903.98, 206,888.59 and 95,438.75 is: 131,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,903.98 : 206,888.59 = 95,438.75 : x
  2. Step 2: Convert to fraction form
    149,903.98/206,888.59 = 95,438.75/x
  3. Step 3: Cross multiply
    149,903.98x = 206,888.59 × 95,438.75
  4. Step 4: Simplify right side
    149,903.98x = 19,745,188,418.86
  5. Step 5: Solve for x
    x = 19,745,188,418.86/149,903.98
  6. Step 6: Final answer
    x = 131,718.91

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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.