Home / 143,441.26-215,191.04-49,954.30

Finding the Fourth Proportional to 143,441.26, 215,191.04 and 49,954.30

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Solution

The fourth proportional to 143,441.26, 215,191.04 and 49,954.30 is: 74,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,441.26 : 215,191.04 = 49,954.30 : x
  2. Step 2: Convert to fraction form
    143,441.26/215,191.04 = 49,954.30/x
  3. Step 3: Cross multiply
    143,441.26x = 215,191.04 × 49,954.30
  4. Step 4: Simplify right side
    143,441.26x = 10,749,717,769.47
  5. Step 5: Solve for x
    x = 10,749,717,769.47/143,441.26
  6. Step 6: Final answer
    x = 74,941.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.