Home / 140,271.80-210,407.70-40,423.10

Finding the Fourth Proportional to 140,271.80, 210,407.70 and 40,423.10

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Solution

The fourth proportional to 140,271.80, 210,407.70 and 40,423.10 is: 60,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,271.80 : 210,407.70 = 40,423.10 : x
  2. Step 2: Convert to fraction form
    140,271.80/210,407.70 = 40,423.10/x
  3. Step 3: Cross multiply
    140,271.80x = 210,407.70 × 40,423.10
  4. Step 4: Simplify right side
    140,271.80x = 8,505,331,497.87
  5. Step 5: Solve for x
    x = 8,505,331,497.87/140,271.80
  6. Step 6: Final answer
    x = 60,634.65

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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.