Finding the Fourth Proportional to 127,862.84, 176,368.38 and 84,841.40
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Solution
The fourth proportional to 127,862.84, 176,368.38 and 84,841.40 is: 117,026.50
Step by Step Solution
- Step 1: Write the proportion equation
127,862.84 : 176,368.38 = 84,841.40 : x - Step 2: Convert to fraction form
127,862.84/176,368.38 = 84,841.40/x - Step 3: Cross multiply
127,862.84x = 176,368.38 × 84,841.40 - Step 4: Simplify right side
127,862.84x = 14,963,340,274.93 - Step 5: Solve for x
x = 14,963,340,274.93/127,862.84 - Step 6: Final answer
x = 117,026.50
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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.