Home / 170,162.10-255,243.18-45,499.86

Finding the Fourth Proportional to 170,162.10, 255,243.18 and 45,499.86

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Solution

The fourth proportional to 170,162.10, 255,243.18 and 45,499.86 is: 68,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,162.10 : 255,243.18 = 45,499.86 : x
  2. Step 2: Convert to fraction form
    170,162.10/255,243.18 = 45,499.86/x
  3. Step 3: Cross multiply
    170,162.10x = 255,243.18 × 45,499.86
  4. Step 4: Simplify right side
    170,162.10x = 11,613,528,955.95
  5. Step 5: Solve for x
    x = 11,613,528,955.95/170,162.10
  6. Step 6: Final answer
    x = 68,249.80

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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.