Finding the Fourth Proportional to 118,670.94, 163,766.04 and 64,959.36
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Solution
The fourth proportional to 118,670.94, 163,766.04 and 64,959.36 is: 89,643.99
Step by Step Solution
- Step 1: Write the proportion equation
118,670.94 : 163,766.04 = 64,959.36 : x - Step 2: Convert to fraction form
118,670.94/163,766.04 = 64,959.36/x - Step 3: Cross multiply
118,670.94x = 163,766.04 × 64,959.36 - Step 4: Simplify right side
118,670.94x = 10,638,137,148.13 - Step 5: Solve for x
x = 10,638,137,148.13/118,670.94 - Step 6: Final answer
x = 89,643.99
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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.