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Finding the Fourth Proportional to 140,523.60, 210,785.40 and 47,029.35

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Solution

The fourth proportional to 140,523.60, 210,785.40 and 47,029.35 is: 70,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,523.60 : 210,785.40 = 47,029.35 : x
  2. Step 2: Convert to fraction form
    140,523.60/210,785.40 = 47,029.35/x
  3. Step 3: Cross multiply
    140,523.60x = 210,785.40 × 47,029.35
  4. Step 4: Simplify right side
    140,523.60x = 9,913,100,351.49
  5. Step 5: Solve for x
    x = 9,913,100,351.49/140,523.60
  6. Step 6: Final answer
    x = 70,544.03

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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.