Home / 189,262.08-260,942.04-124,721.28

Finding the Fourth Proportional to 189,262.08, 260,942.04 and 124,721.28

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Solution

The fourth proportional to 189,262.08, 260,942.04 and 124,721.28 is: 171,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,262.08 : 260,942.04 = 124,721.28 : x
  2. Step 2: Convert to fraction form
    189,262.08/260,942.04 = 124,721.28/x
  3. Step 3: Cross multiply
    189,262.08x = 260,942.04 × 124,721.28
  4. Step 4: Simplify right side
    189,262.08x = 32,545,025,234.61
  5. Step 5: Solve for x
    x = 32,545,025,234.61/189,262.08
  6. Step 6: Final answer
    x = 171,957.45

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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.