Home / 143,900.48-215,881.44-50,411.84

Finding the Fourth Proportional to 143,900.48, 215,881.44 and 50,411.84

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Solution

The fourth proportional to 143,900.48, 215,881.44 and 50,411.84 is: 75,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,900.48 : 215,881.44 = 50,411.84 : x
  2. Step 2: Convert to fraction form
    143,900.48/215,881.44 = 50,411.84/x
  3. Step 3: Cross multiply
    143,900.48x = 215,881.44 × 50,411.84
  4. Step 4: Simplify right side
    143,900.48x = 10,882,980,612.25
  5. Step 5: Solve for x
    x = 10,882,980,612.25/143,900.48
  6. Step 6: Final answer
    x = 75,628.52

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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.