Finding the Fourth Proportional to 135,637.14, 187,179.35 and 75,208.53
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Solution
The fourth proportional to 135,637.14, 187,179.35 and 75,208.53 is: 103,787.82
Step by Step Solution
- Step 1: Write the proportion equation
135,637.14 : 187,179.35 = 75,208.53 : x - Step 2: Convert to fraction form
135,637.14/187,179.35 = 75,208.53/x - Step 3: Cross multiply
135,637.14x = 187,179.35 × 75,208.53 - Step 4: Simplify right side
135,637.14x = 14,077,483,383.81 - Step 5: Solve for x
x = 14,077,483,383.81/135,637.14 - Step 6: Final answer
x = 103,787.82
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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.