Finding the Fourth Proportional to 134,864.98, 186,119.74 and 77,522.92
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Solution
The fourth proportional to 134,864.98, 186,119.74 and 77,522.92 is: 106,985.12
Step by Step Solution
- Step 1: Write the proportion equation
134,864.98 : 186,119.74 = 77,522.92 : x - Step 2: Convert to fraction form
134,864.98/186,119.74 = 77,522.92/x - Step 3: Cross multiply
134,864.98x = 186,119.74 × 77,522.92 - Step 4: Simplify right side
134,864.98x = 14,428,545,346.05 - Step 5: Solve for x
x = 14,428,545,346.05/134,864.98 - Step 6: Final answer
x = 106,985.12
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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.