Home / 189,849.60-261,994.08-104,970.24

Finding the Fourth Proportional to 189,849.60, 261,994.08 and 104,970.24

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Solution

The fourth proportional to 189,849.60, 261,994.08 and 104,970.24 is: 144,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,849.60 : 261,994.08 = 104,970.24 : x
  2. Step 2: Convert to fraction form
    189,849.60/261,994.08 = 104,970.24/x
  3. Step 3: Cross multiply
    189,849.60x = 261,994.08 × 104,970.24
  4. Step 4: Simplify right side
    189,849.60x = 27,501,581,456.18
  5. Step 5: Solve for x
    x = 27,501,581,456.18/189,849.60
  6. Step 6: Final answer
    x = 144,859.83

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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.