Home / 186,288.24-279,275.62-81,027.93

Finding the Fourth Proportional to 186,288.24, 279,275.62 and 81,027.93

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Solution

The fourth proportional to 186,288.24, 279,275.62 and 81,027.93 is: 121,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,288.24 : 279,275.62 = 81,027.93 : x
  2. Step 2: Convert to fraction form
    186,288.24/279,275.62 = 81,027.93/x
  3. Step 3: Cross multiply
    186,288.24x = 279,275.62 × 81,027.93
  4. Step 4: Simplify right side
    186,288.24x = 22,629,125,388.07
  5. Step 5: Solve for x
    x = 22,629,125,388.07/186,288.24
  6. Step 6: Final answer
    x = 121,473.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.