Finding the Fourth Proportional to 107,702.51, 148,618.68 and 62,395.07
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Solution
The fourth proportional to 107,702.51, 148,618.68 and 62,395.07 is: 86,098.95
Step by Step Solution
- Step 1: Write the proportion equation
107,702.51 : 148,618.68 = 62,395.07 : x - Step 2: Convert to fraction form
107,702.51/148,618.68 = 62,395.07/x - Step 3: Cross multiply
107,702.51x = 148,618.68 × 62,395.07 - Step 4: Simplify right side
107,702.51x = 9,273,072,198.81 - Step 5: Solve for x
x = 9,273,072,198.81/107,702.51 - Step 6: Final answer
x = 86,098.95
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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.