Home / 189,960.69-262,134.73-103,903.66

Finding the Fourth Proportional to 189,960.69, 262,134.73 and 103,903.66

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Solution

The fourth proportional to 189,960.69, 262,134.73 and 103,903.66 is: 143,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,960.69 : 262,134.73 = 103,903.66 : x
  2. Step 2: Convert to fraction form
    189,960.69/262,134.73 = 103,903.66/x
  3. Step 3: Cross multiply
    189,960.69x = 262,134.73 × 103,903.66
  4. Step 4: Simplify right side
    189,960.69x = 27,236,758,317.66
  5. Step 5: Solve for x
    x = 27,236,758,317.66/189,960.69
  6. Step 6: Final answer
    x = 143,381.02

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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.