Finding the Fourth Proportional to 118,318.48, 163,279.56 and 68,014.48
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Solution
The fourth proportional to 118,318.48, 163,279.56 and 68,014.48 is: 93,860.02
Step by Step Solution
- Step 1: Write the proportion equation
118,318.48 : 163,279.56 = 68,014.48 : x - Step 2: Convert to fraction form
118,318.48/163,279.56 = 68,014.48/x - Step 3: Cross multiply
118,318.48x = 163,279.56 × 68,014.48 - Step 4: Simplify right side
118,318.48x = 11,105,374,368.03 - Step 5: Solve for x
x = 11,105,374,368.03/118,318.48 - Step 6: Final answer
x = 93,860.02
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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.