Home / 143,522.40-215,197.20-73,538.40

Finding the Fourth Proportional to 143,522.40, 215,197.20 and 73,538.40

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Solution

The fourth proportional to 143,522.40, 215,197.20 and 73,538.40 is: 110,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,522.40 : 215,197.20 = 73,538.40 : x
  2. Step 2: Convert to fraction form
    143,522.40/215,197.20 = 73,538.40/x
  3. Step 3: Cross multiply
    143,522.40x = 215,197.20 × 73,538.40
  4. Step 4: Simplify right side
    143,522.40x = 15,825,257,772.48
  5. Step 5: Solve for x
    x = 15,825,257,772.48/143,522.40
  6. Step 6: Final answer
    x = 110,263.33

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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.