Home / 140,019.30-210,004.65-51,227.10

Finding the Fourth Proportional to 140,019.30, 210,004.65 and 51,227.10

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Solution

The fourth proportional to 140,019.30, 210,004.65 and 51,227.10 is: 76,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,019.30 : 210,004.65 = 51,227.10 : x
  2. Step 2: Convert to fraction form
    140,019.30/210,004.65 = 51,227.10/x
  3. Step 3: Cross multiply
    140,019.30x = 210,004.65 × 51,227.10
  4. Step 4: Simplify right side
    140,019.30x = 10,757,929,206.02
  5. Step 5: Solve for x
    x = 10,757,929,206.02/140,019.30
  6. Step 6: Final answer
    x = 76,831.76

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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.