Finding the Fourth Proportional to 135,332.08, 186,753.52 and 74,902.84
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Solution
The fourth proportional to 135,332.08, 186,753.52 and 74,902.84 is: 103,363.29
Step by Step Solution
- Step 1: Write the proportion equation
135,332.08 : 186,753.52 = 74,902.84 : x - Step 2: Convert to fraction form
135,332.08/186,753.52 = 74,902.84/x - Step 3: Cross multiply
135,332.08x = 186,753.52 × 74,902.84 - Step 4: Simplify right side
135,332.08x = 13,988,369,028.00 - Step 5: Solve for x
x = 13,988,369,028.00/135,332.08 - Step 6: Final answer
x = 103,363.29
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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.