Home / 137,604.26-189,901.55-103,551.50

Finding the Fourth Proportional to 137,604.26, 189,901.55 and 103,551.50

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Solution

The fourth proportional to 137,604.26, 189,901.55 and 103,551.50 is: 142,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,604.26 : 189,901.55 = 103,551.50 : x
  2. Step 2: Convert to fraction form
    137,604.26/189,901.55 = 103,551.50/x
  3. Step 3: Cross multiply
    137,604.26x = 189,901.55 × 103,551.50
  4. Step 4: Simplify right side
    137,604.26x = 19,664,590,354.83
  5. Step 5: Solve for x
    x = 19,664,590,354.83/137,604.26
  6. Step 6: Final answer
    x = 142,906.84

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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.