Home / 189,150.08-261,028.91-104,270.18

Finding the Fourth Proportional to 189,150.08, 261,028.91 and 104,270.18

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Solution

The fourth proportional to 189,150.08, 261,028.91 and 104,270.18 is: 143,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,150.08 : 261,028.91 = 104,270.18 : x
  2. Step 2: Convert to fraction form
    189,150.08/261,028.91 = 104,270.18/x
  3. Step 3: Cross multiply
    189,150.08x = 261,028.91 × 104,270.18
  4. Step 4: Simplify right side
    189,150.08x = 27,217,531,430.90
  5. Step 5: Solve for x
    x = 27,217,531,430.90/189,150.08
  6. Step 6: Final answer
    x = 143,893.84

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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.