Home / 143,722.20-215,583.30-73,738.20

Finding the Fourth Proportional to 143,722.20, 215,583.30 and 73,738.20

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Solution

The fourth proportional to 143,722.20, 215,583.30 and 73,738.20 is: 110,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,722.20 : 215,583.30 = 73,738.20 : x
  2. Step 2: Convert to fraction form
    143,722.20/215,583.30 = 73,738.20/x
  3. Step 3: Cross multiply
    143,722.20x = 215,583.30 × 73,738.20
  4. Step 4: Simplify right side
    143,722.20x = 15,896,724,492.06
  5. Step 5: Solve for x
    x = 15,896,724,492.06/143,722.20
  6. Step 6: Final answer
    x = 110,607.30

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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.