Finding the Fourth Proportional to 107,042.87, 147,652.33 and 68,852.18
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Solution
The fourth proportional to 107,042.87, 147,652.33 and 68,852.18 is: 94,973.02
Step by Step Solution
- Step 1: Write the proportion equation
107,042.87 : 147,652.33 = 68,852.18 : x - Step 2: Convert to fraction form
107,042.87/147,652.33 = 68,852.18/x - Step 3: Cross multiply
107,042.87x = 147,652.33 × 68,852.18 - Step 4: Simplify right side
107,042.87x = 10,166,184,802.58 - Step 5: Solve for x
x = 10,166,184,802.58/107,042.87 - Step 6: Final answer
x = 94,973.02
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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.