Finding the Fourth Proportional to 97,474.08, 145,878.46 and 81,696.93
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Solution
The fourth proportional to 97,474.08, 145,878.46 and 81,696.93 is: 122,266.58
Step by Step Solution
- Step 1: Write the proportion equation
97,474.08 : 145,878.46 = 81,696.93 : x - Step 2: Convert to fraction form
97,474.08/145,878.46 = 81,696.93/x - Step 3: Cross multiply
97,474.08x = 145,878.46 × 81,696.93 - Step 4: Simplify right side
97,474.08x = 11,917,822,335.13 - Step 5: Solve for x
x = 11,917,822,335.13/97,474.08 - Step 6: Final answer
x = 122,266.58
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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.