Finding the Fourth Proportional to 113,908.51, 157,192.76 and 62,924.80
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Solution
The fourth proportional to 113,908.51, 157,192.76 and 62,924.80 is: 86,835.68
Step by Step Solution
- Step 1: Write the proportion equation
113,908.51 : 157,192.76 = 62,924.80 : x - Step 2: Convert to fraction form
113,908.51/157,192.76 = 62,924.80/x - Step 3: Cross multiply
113,908.51x = 157,192.76 × 62,924.80 - Step 4: Simplify right side
113,908.51x = 9,891,322,689.56 - Step 5: Solve for x
x = 9,891,322,689.56/113,908.51 - Step 6: Final answer
x = 86,835.68
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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.