Finding the Fourth Proportional to 135,701.09, 187,144.93 and 84,718.54
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Solution
The fourth proportional to 135,701.09, 187,144.93 and 84,718.54 is: 116,835.06
Step by Step Solution
- Step 1: Write the proportion equation
135,701.09 : 187,144.93 = 84,718.54 : x - Step 2: Convert to fraction form
135,701.09/187,144.93 = 84,718.54/x - Step 3: Cross multiply
135,701.09x = 187,144.93 × 84,718.54 - Step 4: Simplify right side
135,701.09x = 15,854,645,238.00 - Step 5: Solve for x
x = 15,854,645,238.00/135,701.09 - Step 6: Final answer
x = 116,835.06
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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.