Home / 189,406.96-261,374.75-104,522.20

Finding the Fourth Proportional to 189,406.96, 261,374.75 and 104,522.20

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Solution

The fourth proportional to 189,406.96, 261,374.75 and 104,522.20 is: 144,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,406.96 : 261,374.75 = 104,522.20 : x
  2. Step 2: Convert to fraction form
    189,406.96/261,374.75 = 104,522.20/x
  3. Step 3: Cross multiply
    189,406.96x = 261,374.75 × 104,522.20
  4. Step 4: Simplify right side
    189,406.96x = 27,319,463,110.36
  5. Step 5: Solve for x
    x = 27,319,463,110.36/189,406.96
  6. Step 6: Final answer
    x = 144,236.85

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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.