Finding the Fourth Proportional to 109,637.14, 164,323.28 and 53,392.97
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Solution
The fourth proportional to 109,637.14, 164,323.28 and 53,392.97 is: 80,024.95
Step by Step Solution
- Step 1: Write the proportion equation
109,637.14 : 164,323.28 = 53,392.97 : x - Step 2: Convert to fraction form
109,637.14/164,323.28 = 53,392.97/x - Step 3: Cross multiply
109,637.14x = 164,323.28 × 53,392.97 - Step 4: Simplify right side
109,637.14x = 8,773,706,870.76 - Step 5: Solve for x
x = 8,773,706,870.76/109,637.14 - Step 6: Final answer
x = 80,024.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.