Finding the Fourth Proportional to 135,176.96, 186,542.26 and 74,746.28
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Solution
The fourth proportional to 135,176.96, 186,542.26 and 74,746.28 is: 103,148.79
Step by Step Solution
- Step 1: Write the proportion equation
135,176.96 : 186,542.26 = 74,746.28 : x - Step 2: Convert to fraction form
135,176.96/186,542.26 = 74,746.28/x - Step 3: Cross multiply
135,176.96x = 186,542.26 × 74,746.28 - Step 4: Simplify right side
135,176.96x = 13,943,339,997.79 - Step 5: Solve for x
x = 13,943,339,997.79/135,176.96 - Step 6: Final answer
x = 103,148.79
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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.