Home / 140,409.40-210,614.10-40,572.85

Finding the Fourth Proportional to 140,409.40, 210,614.10 and 40,572.85

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Solution

The fourth proportional to 140,409.40, 210,614.10 and 40,572.85 is: 60,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,409.40 : 210,614.10 = 40,572.85 : x
  2. Step 2: Convert to fraction form
    140,409.40/210,614.10 = 40,572.85/x
  3. Step 3: Cross multiply
    140,409.40x = 210,614.10 × 40,572.85
  4. Step 4: Simplify right side
    140,409.40x = 8,545,214,287.19
  5. Step 5: Solve for x
    x = 8,545,214,287.19/140,409.40
  6. Step 6: Final answer
    x = 60,859.28

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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.