Home / 189,664.70-261,742.58-104,787.23

Finding the Fourth Proportional to 189,664.70, 261,742.58 and 104,787.23

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Solution

The fourth proportional to 189,664.70, 261,742.58 and 104,787.23 is: 144,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,664.70 : 261,742.58 = 104,787.23 : x
  2. Step 2: Convert to fraction form
    189,664.70/261,742.58 = 104,787.23/x
  3. Step 3: Cross multiply
    189,664.70x = 261,742.58 × 104,787.23
  4. Step 4: Simplify right side
    189,664.70x = 27,427,279,931.25
  5. Step 5: Solve for x
    x = 27,427,279,931.25/189,664.70
  6. Step 6: Final answer
    x = 144,609.30

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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.