Finding the Fourth Proportional to 137,726.70, 206,590.05 and 118,043.70
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Solution
The fourth proportional to 137,726.70, 206,590.05 and 118,043.70 is: 177,065.55
Step by Step Solution
- Step 1: Write the proportion equation
137,726.70 : 206,590.05 = 118,043.70 : x - Step 2: Convert to fraction form
137,726.70/206,590.05 = 118,043.70/x - Step 3: Cross multiply
137,726.70x = 206,590.05 × 118,043.70 - Step 4: Simplify right side
137,726.70x = 24,386,653,885.19 - Step 5: Solve for x
x = 24,386,653,885.19/137,726.70 - Step 6: Final answer
x = 177,065.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.