Home / 189,932.24-262,064.04-113,430.80

Finding the Fourth Proportional to 189,932.24, 262,064.04 and 113,430.80

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Solution

The fourth proportional to 189,932.24, 262,064.04 and 113,430.80 is: 156,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,932.24 : 262,064.04 = 113,430.80 : x
  2. Step 2: Convert to fraction form
    189,932.24/262,064.04 = 113,430.80/x
  3. Step 3: Cross multiply
    189,932.24x = 262,064.04 × 113,430.80
  4. Step 4: Simplify right side
    189,932.24x = 29,726,133,708.43
  5. Step 5: Solve for x
    x = 29,726,133,708.43/189,932.24
  6. Step 6: Final answer
    x = 156,509.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.