Finding the Fourth Proportional to 118,963.15, 164,083.08 and 101,029.75
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Solution
The fourth proportional to 118,963.15, 164,083.08 and 101,029.75 is: 139,347.96
Step by Step Solution
- Step 1: Write the proportion equation
118,963.15 : 164,083.08 = 101,029.75 : x - Step 2: Convert to fraction form
118,963.15/164,083.08 = 101,029.75/x - Step 3: Cross multiply
118,963.15x = 164,083.08 × 101,029.75 - Step 4: Simplify right side
118,963.15x = 16,577,272,551.63 - Step 5: Solve for x
x = 16,577,272,551.63/118,963.15 - Step 6: Final answer
x = 139,347.96
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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.