Finding the Fourth Proportional to 137,747.05, 190,093.74 and 77,322.06
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Solution
The fourth proportional to 137,747.05, 190,093.74 and 77,322.06 is: 106,706.02
Step by Step Solution
- Step 1: Write the proportion equation
137,747.05 : 190,093.74 = 77,322.06 : x - Step 2: Convert to fraction form
137,747.05/190,093.74 = 77,322.06/x - Step 3: Cross multiply
137,747.05x = 190,093.74 × 77,322.06 - Step 4: Simplify right side
137,747.05x = 14,698,439,569.90 - Step 5: Solve for x
x = 14,698,439,569.90/137,747.05 - Step 6: Final answer
x = 106,706.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.