Finding the Fourth Proportional to 148,698.26, 205,177.12 and 84,167.18
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Solution
The fourth proportional to 148,698.26, 205,177.12 and 84,167.18 is: 116,135.72
Step by Step Solution
- Step 1: Write the proportion equation
148,698.26 : 205,177.12 = 84,167.18 : x - Step 2: Convert to fraction form
148,698.26/205,177.12 = 84,167.18/x - Step 3: Cross multiply
148,698.26x = 205,177.12 × 84,167.18 - Step 4: Simplify right side
148,698.26x = 17,269,179,590.92 - Step 5: Solve for x
x = 17,269,179,590.92/148,698.26 - Step 6: Final answer
x = 116,135.72
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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.