Finding the Fourth Proportional to 134,985.94, 186,179.91 and 119,690.44
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Solution
The fourth proportional to 134,985.94, 186,179.91 and 119,690.44 is: 165,083.53
Step by Step Solution
- Step 1: Write the proportion equation
134,985.94 : 186,179.91 = 119,690.44 : x - Step 2: Convert to fraction form
134,985.94/186,179.91 = 119,690.44/x - Step 3: Cross multiply
134,985.94x = 186,179.91 × 119,690.44 - Step 4: Simplify right side
134,985.94x = 22,283,955,347.06 - Step 5: Solve for x
x = 22,283,955,347.06/134,985.94 - Step 6: Final answer
x = 165,083.53
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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.