Finding the Fourth Proportional to 183,537.84, 253,301.40 and 102,987.12
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Solution
The fourth proportional to 183,537.84, 253,301.40 and 102,987.12 is: 142,132.99
Step by Step Solution
- Step 1: Write the proportion equation
183,537.84 : 253,301.40 = 102,987.12 : x - Step 2: Convert to fraction form
183,537.84/253,301.40 = 102,987.12/x - Step 3: Cross multiply
183,537.84x = 253,301.40 × 102,987.12 - Step 4: Simplify right side
183,537.84x = 26,086,781,677.97 - Step 5: Solve for x
x = 26,086,781,677.97/183,537.84 - Step 6: Final answer
x = 142,132.99
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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.