Home / 143,784.07-215,652.71-67,882.46

Finding the Fourth Proportional to 143,784.07, 215,652.71 and 67,882.46

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Solution

The fourth proportional to 143,784.07, 215,652.71 and 67,882.46 is: 101,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,784.07 : 215,652.71 = 67,882.46 : x
  2. Step 2: Convert to fraction form
    143,784.07/215,652.71 = 67,882.46/x
  3. Step 3: Cross multiply
    143,784.07x = 215,652.71 × 67,882.46
  4. Step 4: Simplify right side
    143,784.07x = 14,639,035,551.91
  5. Step 5: Solve for x
    x = 14,639,035,551.91/143,784.07
  6. Step 6: Final answer
    x = 101,812.64

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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.