Home / 143,988.30-215,914.68-49,193.10

Finding the Fourth Proportional to 143,988.30, 215,914.68 and 49,193.10

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Solution

The fourth proportional to 143,988.30, 215,914.68 and 49,193.10 is: 73,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,988.30 : 215,914.68 = 49,193.10 : x
  2. Step 2: Convert to fraction form
    143,988.30/215,914.68 = 49,193.10/x
  3. Step 3: Cross multiply
    143,988.30x = 215,914.68 × 49,193.10
  4. Step 4: Simplify right side
    143,988.30x = 10,621,512,444.71
  5. Step 5: Solve for x
    x = 10,621,512,444.71/143,988.30
  6. Step 6: Final answer
    x = 73,766.50

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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.