Home / 140,619.51-210,951.27-45,827.73

Finding the Fourth Proportional to 140,619.51, 210,951.27 and 45,827.73

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Solution

The fourth proportional to 140,619.51, 210,951.27 and 45,827.73 is: 68,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,619.51 : 210,951.27 = 45,827.73 : x
  2. Step 2: Convert to fraction form
    140,619.51/210,951.27 = 45,827.73/x
  3. Step 3: Cross multiply
    140,619.51x = 210,951.27 × 45,827.73
  4. Step 4: Simplify right side
    140,619.51x = 9,667,417,844.72
  5. Step 5: Solve for x
    x = 9,667,417,844.72/140,619.51
  6. Step 6: Final answer
    x = 68,748.77

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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.