Home / 142,577.45-196,806.06-82,172.22

Finding the Fourth Proportional to 142,577.45, 196,806.06 and 82,172.22

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Solution

The fourth proportional to 142,577.45, 196,806.06 and 82,172.22 is: 113,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,577.45 : 196,806.06 = 82,172.22 : x
  2. Step 2: Convert to fraction form
    142,577.45/196,806.06 = 82,172.22/x
  3. Step 3: Cross multiply
    142,577.45x = 196,806.06 × 82,172.22
  4. Step 4: Simplify right side
    142,577.45x = 16,171,990,859.65
  5. Step 5: Solve for x
    x = 16,171,990,859.65/142,577.45
  6. Step 6: Final answer
    x = 113,426.01

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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.