Home / 140,171.85-210,289.98-40,332.87

Finding the Fourth Proportional to 140,171.85, 210,289.98 and 40,332.87

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Solution

The fourth proportional to 140,171.85, 210,289.98 and 40,332.87 is: 60,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,171.85 : 210,289.98 = 40,332.87 : x
  2. Step 2: Convert to fraction form
    140,171.85/210,289.98 = 40,332.87/x
  3. Step 3: Cross multiply
    140,171.85x = 210,289.98 × 40,332.87
  4. Step 4: Simplify right side
    140,171.85x = 8,481,598,223.98
  5. Step 5: Solve for x
    x = 8,481,598,223.98/140,171.85
  6. Step 6: Final answer
    x = 60,508.57

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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.