Home / 189,455.06-261,448.01-104,572.15

Finding the Fourth Proportional to 189,455.06, 261,448.01 and 104,572.15

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Solution

The fourth proportional to 189,455.06, 261,448.01 and 104,572.15 is: 144,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,455.06 : 261,448.01 = 104,572.15 : x
  2. Step 2: Convert to fraction form
    189,455.06/261,448.01 = 104,572.15/x
  3. Step 3: Cross multiply
    189,455.06x = 261,448.01 × 104,572.15
  4. Step 4: Simplify right side
    189,455.06x = 27,340,179,734.59
  5. Step 5: Solve for x
    x = 27,340,179,734.59/189,455.06
  6. Step 6: Final answer
    x = 144,309.58

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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.