Finding the Fourth Proportional to 136,925.29, 205,385.70 and 52,703.74
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Solution
The fourth proportional to 136,925.29, 205,385.70 and 52,703.74 is: 79,054.75
Step by Step Solution
- Step 1: Write the proportion equation
136,925.29 : 205,385.70 = 52,703.74 : x - Step 2: Convert to fraction form
136,925.29/205,385.70 = 52,703.74/x - Step 3: Cross multiply
136,925.29x = 205,385.70 × 52,703.74 - Step 4: Simplify right side
136,925.29x = 10,824,594,532.52 - Step 5: Solve for x
x = 10,824,594,532.52/136,925.29 - Step 6: Final answer
x = 79,054.75
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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.