Finding the Fourth Proportional to 112,516, 155,291.52 and 67,804
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Solution
The fourth proportional to 112,516, 155,291.52 and 67,804 is: 93,581.23
Step by Step Solution
- Step 1: Write the proportion equation
112,516 : 155,291.52 = 67,804 : x - Step 2: Convert to fraction form
112,516/155,291.52 = 67,804/x - Step 3: Cross multiply
112,516x = 155,291.52 × 67,804 - Step 4: Simplify right side
112,516x = 10,529,386,222.08 - Step 5: Solve for x
x = 10,529,386,222.08/112,516 - Step 6: Final answer
x = 93,581.23
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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.