Finding the Fourth Proportional to 122,533.02, 169,092.36 and 68,815.44
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Solution
The fourth proportional to 122,533.02, 169,092.36 and 68,815.44 is: 94,963.51
Step by Step Solution
- Step 1: Write the proportion equation
122,533.02 : 169,092.36 = 68,815.44 : x - Step 2: Convert to fraction form
122,533.02/169,092.36 = 68,815.44/x - Step 3: Cross multiply
122,533.02x = 169,092.36 × 68,815.44 - Step 4: Simplify right side
122,533.02x = 11,636,165,154.04 - Step 5: Solve for x
x = 11,636,165,154.04/122,533.02 - Step 6: Final answer
x = 94,963.51
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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.