Finding the Fourth Proportional to 114,177.64, 157,715.74 and 87,647.98
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Solution
The fourth proportional to 114,177.64, 157,715.74 and 87,647.98 is: 121,069.82
Step by Step Solution
- Step 1: Write the proportion equation
114,177.64 : 157,715.74 = 87,647.98 : x - Step 2: Convert to fraction form
114,177.64/157,715.74 = 87,647.98/x - Step 3: Cross multiply
114,177.64x = 157,715.74 × 87,647.98 - Step 4: Simplify right side
114,177.64x = 13,823,466,025.21 - Step 5: Solve for x
x = 13,823,466,025.21/114,177.64 - Step 6: Final answer
x = 121,069.82
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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.