Home / 140,268.24-210,416.40-40,430.88

Finding the Fourth Proportional to 140,268.24, 210,416.40 and 40,430.88

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Solution

The fourth proportional to 140,268.24, 210,416.40 and 40,430.88 is: 60,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,268.24 : 210,416.40 = 40,430.88 : x
  2. Step 2: Convert to fraction form
    140,268.24/210,416.40 = 40,430.88/x
  3. Step 3: Cross multiply
    140,268.24x = 210,416.40 × 40,430.88
  4. Step 4: Simplify right side
    140,268.24x = 8,507,320,218.43
  5. Step 5: Solve for x
    x = 8,507,320,218.43/140,268.24
  6. Step 6: Final answer
    x = 60,650.37

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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.