Finding the Fourth Proportional to 135,693.67, 187,249.62 and 75,259.98
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Solution
The fourth proportional to 135,693.67, 187,249.62 and 75,259.98 is: 103,854.53
Step by Step Solution
- Step 1: Write the proportion equation
135,693.67 : 187,249.62 = 75,259.98 : x - Step 2: Convert to fraction form
135,693.67/187,249.62 = 75,259.98/x - Step 3: Cross multiply
135,693.67x = 187,249.62 × 75,259.98 - Step 4: Simplify right side
135,693.67x = 14,092,402,656.21 - Step 5: Solve for x
x = 14,092,402,656.21/135,693.67 - Step 6: Final answer
x = 103,854.53
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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.