Finding the Fourth Proportional to 134,590.91, 185,743.74 and 74,161.54
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Solution
The fourth proportional to 134,590.91, 185,743.74 and 74,161.54 is: 102,347.49
Step by Step Solution
- Step 1: Write the proportion equation
134,590.91 : 185,743.74 = 74,161.54 : x - Step 2: Convert to fraction form
134,590.91/185,743.74 = 74,161.54/x - Step 3: Cross multiply
134,590.91x = 185,743.74 × 74,161.54 - Step 4: Simplify right side
134,590.91x = 13,775,041,339.40 - Step 5: Solve for x
x = 13,775,041,339.40/134,590.91 - Step 6: Final answer
x = 102,347.49
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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.