Home / 189,572.48-261,607.92-104,687.84

Finding the Fourth Proportional to 189,572.48, 261,607.92 and 104,687.84

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Solution

The fourth proportional to 189,572.48, 261,607.92 and 104,687.84 is: 144,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,572.48 : 261,607.92 = 104,687.84 : x
  2. Step 2: Convert to fraction form
    189,572.48/261,607.92 = 104,687.84/x
  3. Step 3: Cross multiply
    189,572.48x = 261,607.92 × 104,687.84
  4. Step 4: Simplify right side
    189,572.48x = 27,387,168,071.69
  5. Step 5: Solve for x
    x = 27,387,168,071.69/189,572.48
  6. Step 6: Final answer
    x = 144,468.06

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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.