Home / 189,089.66-260,940.24-103,049.35

Finding the Fourth Proportional to 189,089.66, 260,940.24 and 103,049.35

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Solution

The fourth proportional to 189,089.66, 260,940.24 and 103,049.35 is: 142,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,089.66 : 260,940.24 = 103,049.35 : x
  2. Step 2: Convert to fraction form
    189,089.66/260,940.24 = 103,049.35/x
  3. Step 3: Cross multiply
    189,089.66x = 260,940.24 × 103,049.35
  4. Step 4: Simplify right side
    189,089.66x = 26,889,721,468.49
  5. Step 5: Solve for x
    x = 26,889,721,468.49/189,089.66
  6. Step 6: Final answer
    x = 142,206.20

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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.