Home / 140,145.45-210,254.16-40,313.46

Finding the Fourth Proportional to 140,145.45, 210,254.16 and 40,313.46

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Solution

The fourth proportional to 140,145.45, 210,254.16 and 40,313.46 is: 60,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,145.45 : 210,254.16 = 40,313.46 : x
  2. Step 2: Convert to fraction form
    140,145.45/210,254.16 = 40,313.46/x
  3. Step 3: Cross multiply
    140,145.45x = 210,254.16 × 40,313.46
  4. Step 4: Simplify right side
    140,145.45x = 8,476,072,668.99
  5. Step 5: Solve for x
    x = 8,476,072,668.99/140,145.45
  6. Step 6: Final answer
    x = 60,480.54

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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.