Finding the Fourth Proportional to 112,618.17, 155,417.81 and 62,317.17
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Solution
The fourth proportional to 112,618.17, 155,417.81 and 62,317.17 is: 86,000.31
Step by Step Solution
- Step 1: Write the proportion equation
112,618.17 : 155,417.81 = 62,317.17 : x - Step 2: Convert to fraction form
112,618.17/155,417.81 = 62,317.17/x - Step 3: Cross multiply
112,618.17x = 155,417.81 × 62,317.17 - Step 4: Simplify right side
112,618.17x = 9,685,197,775.21 - Step 5: Solve for x
x = 9,685,197,775.21/112,618.17 - Step 6: Final answer
x = 86,000.31
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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.