Home / 225,970.32-338,746.24-83,736.40

Finding the Fourth Proportional to 225,970.32, 338,746.24 and 83,736.40

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Solution

The fourth proportional to 225,970.32, 338,746.24 and 83,736.40 is: 125,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,970.32 : 338,746.24 = 83,736.40 : x
  2. Step 2: Convert to fraction form
    225,970.32/338,746.24 = 83,736.40/x
  3. Step 3: Cross multiply
    225,970.32x = 338,746.24 × 83,736.40
  4. Step 4: Simplify right side
    225,970.32x = 28,365,390,651.14
  5. Step 5: Solve for x
    x = 28,365,390,651.14/225,970.32
  6. Step 6: Final answer
    x = 125,527.06

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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.