Finding the Fourth Proportional to 187,811.95, 259,171.86 and 102,927.19
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Solution
The fourth proportional to 187,811.95, 259,171.86 and 102,927.19 is: 142,034.79
Step by Step Solution
- Step 1: Write the proportion equation
187,811.95 : 259,171.86 = 102,927.19 : x - Step 2: Convert to fraction form
187,811.95/259,171.86 = 102,927.19/x - Step 3: Cross multiply
187,811.95x = 259,171.86 × 102,927.19 - Step 4: Simplify right side
187,811.95x = 26,675,831,276.87 - Step 5: Solve for x
x = 26,675,831,276.87/187,811.95 - Step 6: Final answer
x = 142,034.79
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1.5x scale
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.