Finding the Fourth Proportional to 106,585.60, 147,088.64 and 58,838.08
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Solution
The fourth proportional to 106,585.60, 147,088.64 and 58,838.08 is: 81,196.83
Step by Step Solution
- Step 1: Write the proportion equation
106,585.60 : 147,088.64 = 58,838.08 : x - Step 2: Convert to fraction form
106,585.60/147,088.64 = 58,838.08/x - Step 3: Cross multiply
106,585.60x = 147,088.64 × 58,838.08 - Step 4: Simplify right side
106,585.60x = 8,654,413,167.41 - Step 5: Solve for x
x = 8,654,413,167.41/106,585.60 - Step 6: Final answer
x = 81,196.83
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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.