Home / 140,559.20-210,838.63-45,789.23

Finding the Fourth Proportional to 140,559.20, 210,838.63 and 45,789.23

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Solution

The fourth proportional to 140,559.20, 210,838.63 and 45,789.23 is: 68,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,559.20 : 210,838.63 = 45,789.23 : x
  2. Step 2: Convert to fraction form
    140,559.20/210,838.63 = 45,789.23/x
  3. Step 3: Cross multiply
    140,559.20x = 210,838.63 × 45,789.23
  4. Step 4: Simplify right side
    140,559.20x = 9,654,137,353.29
  5. Step 5: Solve for x
    x = 9,654,137,353.29/140,559.20
  6. Step 6: Final answer
    x = 68,683.78

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1.5x scale

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.