Home / 189,412.96-261,383.04-104,528.20

Finding the Fourth Proportional to 189,412.96, 261,383.04 and 104,528.20

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Solution

The fourth proportional to 189,412.96, 261,383.04 and 104,528.20 is: 144,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,412.96 : 261,383.04 = 104,528.20 : x
  2. Step 2: Convert to fraction form
    189,412.96/261,383.04 = 104,528.20/x
  3. Step 3: Cross multiply
    189,412.96x = 261,383.04 × 104,528.20
  4. Step 4: Simplify right side
    189,412.96x = 27,321,898,681.73
  5. Step 5: Solve for x
    x = 27,321,898,681.73/189,412.96
  6. Step 6: Final answer
    x = 144,245.14

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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.