Home / 192,192.51-265,079.72-165,379.95

Finding the Fourth Proportional to 192,192.51, 265,079.72 and 165,379.95

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Solution

The fourth proportional to 192,192.51, 265,079.72 and 165,379.95 is: 228,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,192.51 : 265,079.72 = 165,379.95 : x
  2. Step 2: Convert to fraction form
    192,192.51/265,079.72 = 165,379.95/x
  3. Step 3: Cross multiply
    192,192.51x = 265,079.72 × 165,379.95
  4. Step 4: Simplify right side
    192,192.51x = 43,838,870,012.71
  5. Step 5: Solve for x
    x = 43,838,870,012.71/192,192.51
  6. Step 6: Final answer
    x = 228,098.74

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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.