Home / 170,989.48-257,651.35-140,507.56

Finding the Fourth Proportional to 170,989.48, 257,651.35 and 140,507.56

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Solution

The fourth proportional to 170,989.48, 257,651.35 and 140,507.56 is: 211,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,989.48 : 257,651.35 = 140,507.56 : x
  2. Step 2: Convert to fraction form
    170,989.48/257,651.35 = 140,507.56/x
  3. Step 3: Cross multiply
    170,989.48x = 257,651.35 × 140,507.56
  4. Step 4: Simplify right side
    170,989.48x = 36,201,962,519.21
  5. Step 5: Solve for x
    x = 36,201,962,519.21/170,989.48
  6. Step 6: Final answer
    x = 211,720.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.