Finding the Fourth Proportional to 135,603.02, 187,134.06 and 74,354.96
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Solution
The fourth proportional to 135,603.02, 187,134.06 and 74,354.96 is: 102,610.88
Step by Step Solution
- Step 1: Write the proportion equation
135,603.02 : 187,134.06 = 74,354.96 : x - Step 2: Convert to fraction form
135,603.02/187,134.06 = 74,354.96/x - Step 3: Cross multiply
135,603.02x = 187,134.06 × 74,354.96 - Step 4: Simplify right side
135,603.02x = 13,914,345,545.94 - Step 5: Solve for x
x = 13,914,345,545.94/135,603.02 - Step 6: Final answer
x = 102,610.88
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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.