Home / 189,830.08-261,942.72-104,935.52

Finding the Fourth Proportional to 189,830.08, 261,942.72 and 104,935.52

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Solution

The fourth proportional to 189,830.08, 261,942.72 and 104,935.52 is: 144,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,830.08 : 261,942.72 = 104,935.52 : x
  2. Step 2: Convert to fraction form
    189,830.08/261,942.72 = 104,935.52/x
  3. Step 3: Cross multiply
    189,830.08x = 261,942.72 × 104,935.52
  4. Step 4: Simplify right side
    189,830.08x = 27,487,095,533.41
  5. Step 5: Solve for x
    x = 27,487,095,533.41/189,830.08
  6. Step 6: Final answer
    x = 144,798.42

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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.