Finding the Fourth Proportional to 118,468.08, 163,439.16 and 68,140.08
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Solution
The fourth proportional to 118,468.08, 163,439.16 and 68,140.08 is: 94,006.40
Step by Step Solution
- Step 1: Write the proportion equation
118,468.08 : 163,439.16 = 68,140.08 : x - Step 2: Convert to fraction form
118,468.08/163,439.16 = 68,140.08/x - Step 3: Cross multiply
118,468.08x = 163,439.16 × 68,140.08 - Step 4: Simplify right side
118,468.08x = 11,136,757,437.53 - Step 5: Solve for x
x = 11,136,757,437.53/118,468.08 - Step 6: Final answer
x = 94,006.40
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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.