Home / 189,725.08-261,820.70-104,842.14

Finding the Fourth Proportional to 189,725.08, 261,820.70 and 104,842.14

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Solution

The fourth proportional to 189,725.08, 261,820.70 and 104,842.14 is: 144,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,725.08 : 261,820.70 = 104,842.14 : x
  2. Step 2: Convert to fraction form
    189,725.08/261,820.70 = 104,842.14/x
  3. Step 3: Cross multiply
    189,725.08x = 261,820.70 × 104,842.14
  4. Step 4: Simplify right side
    189,725.08x = 27,449,842,484.30
  5. Step 5: Solve for x
    x = 27,449,842,484.30/189,725.08
  6. Step 6: Final answer
    x = 144,682.20

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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.