Finding the Fourth Proportional to 102,726.18, 153,876.99 and 60,476.08
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Solution
The fourth proportional to 102,726.18, 153,876.99 and 60,476.08 is: 90,589.15
Step by Step Solution
- Step 1: Write the proportion equation
102,726.18 : 153,876.99 = 60,476.08 : x - Step 2: Convert to fraction form
102,726.18/153,876.99 = 60,476.08/x - Step 3: Cross multiply
102,726.18x = 153,876.99 × 60,476.08 - Step 4: Simplify right side
102,726.18x = 9,305,877,157.40 - Step 5: Solve for x
x = 9,305,877,157.40/102,726.18 - Step 6: Final answer
x = 90,589.15
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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.