Home / 189,446.46-261,417.49-104,558.05

Finding the Fourth Proportional to 189,446.46, 261,417.49 and 104,558.05

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Solution

The fourth proportional to 189,446.46, 261,417.49 and 104,558.05 is: 144,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,446.46 : 261,417.49 = 104,558.05 : x
  2. Step 2: Convert to fraction form
    189,446.46/261,417.49 = 104,558.05/x
  3. Step 3: Cross multiply
    189,446.46x = 261,417.49 × 104,558.05
  4. Step 4: Simplify right side
    189,446.46x = 27,333,302,990.29
  5. Step 5: Solve for x
    x = 27,333,302,990.29/189,446.46
  6. Step 6: Final answer
    x = 144,279.83

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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.