Finding the Fourth Proportional to 122,140.04, 168,551.28 and 68,424.71
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Solution
The fourth proportional to 122,140.04, 168,551.28 and 68,424.71 is: 94,424.99
Step by Step Solution
- Step 1: Write the proportion equation
122,140.04 : 168,551.28 = 68,424.71 : x - Step 2: Convert to fraction form
122,140.04/168,551.28 = 68,424.71/x - Step 3: Cross multiply
122,140.04x = 168,551.28 × 68,424.71 - Step 4: Simplify right side
122,140.04x = 11,533,071,611.37 - Step 5: Solve for x
x = 11,533,071,611.37/122,140.04 - Step 6: Final answer
x = 94,424.99
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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.