Home / 143,620.29-215,528.84-50,126.04

Finding the Fourth Proportional to 143,620.29, 215,528.84 and 50,126.04

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Solution

The fourth proportional to 143,620.29, 215,528.84 and 50,126.04 is: 75,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,620.29 : 215,528.84 = 50,126.04 : x
  2. Step 2: Convert to fraction form
    143,620.29/215,528.84 = 50,126.04/x
  3. Step 3: Cross multiply
    143,620.29x = 215,528.84 × 50,126.04
  4. Step 4: Simplify right side
    143,620.29x = 10,803,607,254.99
  5. Step 5: Solve for x
    x = 10,803,607,254.99/143,620.29
  6. Step 6: Final answer
    x = 75,223.41

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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.