Home / 140,619.43-210,951.08-45,827.56

Finding the Fourth Proportional to 140,619.43, 210,951.08 and 45,827.56

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Solution

The fourth proportional to 140,619.43, 210,951.08 and 45,827.56 is: 68,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,619.43 : 210,951.08 = 45,827.56 : x
  2. Step 2: Convert to fraction form
    140,619.43/210,951.08 = 45,827.56/x
  3. Step 3: Cross multiply
    140,619.43x = 210,951.08 × 45,827.56
  4. Step 4: Simplify right side
    140,619.43x = 9,667,373,275.76
  5. Step 5: Solve for x
    x = 9,667,373,275.76/140,619.43
  6. Step 6: Final answer
    x = 68,748.49

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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.