Home / 192,499.64-288,798.67-80,142.51

Finding the Fourth Proportional to 192,499.64, 288,798.67 and 80,142.51

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Solution

The fourth proportional to 192,499.64, 288,798.67 and 80,142.51 is: 120,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,499.64 : 288,798.67 = 80,142.51 : x
  2. Step 2: Convert to fraction form
    192,499.64/288,798.67 = 80,142.51/x
  3. Step 3: Cross multiply
    192,499.64x = 288,798.67 × 80,142.51
  4. Step 4: Simplify right side
    192,499.64x = 23,145,051,030.83
  5. Step 5: Solve for x
    x = 23,145,051,030.83/192,499.64
  6. Step 6: Final answer
    x = 120,234.26

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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.