Home / 163,815.41-245,828.06-79,529.65

Finding the Fourth Proportional to 163,815.41, 245,828.06 and 79,529.65

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Solution

The fourth proportional to 163,815.41, 245,828.06 and 79,529.65 is: 119,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,815.41 : 245,828.06 = 79,529.65 : x
  2. Step 2: Convert to fraction form
    163,815.41/245,828.06 = 79,529.65/x
  3. Step 3: Cross multiply
    163,815.41x = 245,828.06 × 79,529.65
  4. Step 4: Simplify right side
    163,815.41x = 19,550,619,305.35
  5. Step 5: Solve for x
    x = 19,550,619,305.35/163,815.41
  6. Step 6: Final answer
    x = 119,345.42

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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.