Home / 189,511.31-261,524.86-104,627.77

Finding the Fourth Proportional to 189,511.31, 261,524.86 and 104,627.77

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Solution

The fourth proportional to 189,511.31, 261,524.86 and 104,627.77 is: 144,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,511.31 : 261,524.86 = 104,627.77 : x
  2. Step 2: Convert to fraction form
    189,511.31/261,524.86 = 104,627.77/x
  3. Step 3: Cross multiply
    189,511.31x = 261,524.86 × 104,627.77
  4. Step 4: Simplify right side
    189,511.31x = 27,362,762,901.36
  5. Step 5: Solve for x
    x = 27,362,762,901.36/189,511.31
  6. Step 6: Final answer
    x = 144,385.91

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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.