Finding the Fourth Proportional to 131,244.99, 181,116.50 and 74,656.23
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Solution
The fourth proportional to 131,244.99, 181,116.50 and 74,656.23 is: 103,024.70
Step by Step Solution
- Step 1: Write the proportion equation
131,244.99 : 181,116.50 = 74,656.23 : x - Step 2: Convert to fraction form
131,244.99/181,116.50 = 74,656.23/x - Step 3: Cross multiply
131,244.99x = 181,116.50 × 74,656.23 - Step 4: Simplify right side
131,244.99x = 13,521,475,080.80 - Step 5: Solve for x
x = 13,521,475,080.80/131,244.99 - Step 6: Final answer
x = 103,024.70
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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.