Home / 140,560.20-210,840.13-45,790.23

Finding the Fourth Proportional to 140,560.20, 210,840.13 and 45,790.23

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Solution

The fourth proportional to 140,560.20, 210,840.13 and 45,790.23 is: 68,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,560.20 : 210,840.13 = 45,790.23 : x
  2. Step 2: Convert to fraction form
    140,560.20/210,840.13 = 45,790.23/x
  3. Step 3: Cross multiply
    140,560.20x = 210,840.13 × 45,790.23
  4. Step 4: Simplify right side
    140,560.20x = 9,654,418,045.93
  5. Step 5: Solve for x
    x = 9,654,418,045.93/140,560.20
  6. Step 6: Final answer
    x = 68,685.29

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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.