Finding the Fourth Proportional to 112,123.64, 168,264.27 and 101,403.99
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Solution
The fourth proportional to 112,123.64, 168,264.27 and 101,403.99 is: 152,177.27
Step by Step Solution
- Step 1: Write the proportion equation
112,123.64 : 168,264.27 = 101,403.99 : x - Step 2: Convert to fraction form
112,123.64/168,264.27 = 101,403.99/x - Step 3: Cross multiply
112,123.64x = 168,264.27 × 101,403.99 - Step 4: Simplify right side
112,123.64x = 17,062,668,352.44 - Step 5: Solve for x
x = 17,062,668,352.44/112,123.64 - Step 6: Final answer
x = 152,177.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.