Home / 189,652.26-261,719.28-104,769.30

Finding the Fourth Proportional to 189,652.26, 261,719.28 and 104,769.30

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Solution

The fourth proportional to 189,652.26, 261,719.28 and 104,769.30 is: 144,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,652.26 : 261,719.28 = 104,769.30 : x
  2. Step 2: Convert to fraction form
    189,652.26/261,719.28 = 104,769.30/x
  3. Step 3: Cross multiply
    189,652.26x = 261,719.28 × 104,769.30
  4. Step 4: Simplify right side
    189,652.26x = 27,420,145,762.10
  5. Step 5: Solve for x
    x = 27,420,145,762.10/189,652.26
  6. Step 6: Final answer
    x = 144,581.17

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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.