Home / 189,435.05-261,419.83-104,551.50

Finding the Fourth Proportional to 189,435.05, 261,419.83 and 104,551.50

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Solution

The fourth proportional to 189,435.05, 261,419.83 and 104,551.50 is: 144,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,435.05 : 261,419.83 = 104,551.50 : x
  2. Step 2: Convert to fraction form
    189,435.05/261,419.83 = 104,551.50/x
  3. Step 3: Cross multiply
    189,435.05x = 261,419.83 × 104,551.50
  4. Step 4: Simplify right side
    189,435.05x = 27,331,835,094.87
  5. Step 5: Solve for x
    x = 27,331,835,094.87/189,435.05
  6. Step 6: Final answer
    x = 144,280.77

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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.