Finding the Fourth Proportional to 135,252.95, 186,663.02 and 77,894.15
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Solution
The fourth proportional to 135,252.95, 186,663.02 and 77,894.15 is: 107,501.95
Step by Step Solution
- Step 1: Write the proportion equation
135,252.95 : 186,663.02 = 77,894.15 : x - Step 2: Convert to fraction form
135,252.95/186,663.02 = 77,894.15/x - Step 3: Cross multiply
135,252.95x = 186,663.02 × 77,894.15 - Step 4: Simplify right side
135,252.95x = 14,539,955,956.55 - Step 5: Solve for x
x = 14,539,955,956.55/135,252.95 - Step 6: Final answer
x = 107,501.95
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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.