Home / 189,817.25-261,925.07-104,922.77

Finding the Fourth Proportional to 189,817.25, 261,925.07 and 104,922.77

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Solution

The fourth proportional to 189,817.25, 261,925.07 and 104,922.77 is: 144,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,817.25 : 261,925.07 = 104,922.77 : x
  2. Step 2: Convert to fraction form
    189,817.25/261,925.07 = 104,922.77/x
  3. Step 3: Cross multiply
    189,817.25x = 261,925.07 × 104,922.77
  4. Step 4: Simplify right side
    189,817.25x = 27,481,903,352.23
  5. Step 5: Solve for x
    x = 27,481,903,352.23/189,817.25
  6. Step 6: Final answer
    x = 144,780.85

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1.5x scale

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.