Finding the Fourth Proportional to 106,941.68, 147,577.64 and 59,193.98
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Solution
The fourth proportional to 106,941.68, 147,577.64 and 59,193.98 is: 81,686.65
Step by Step Solution
- Step 1: Write the proportion equation
106,941.68 : 147,577.64 = 59,193.98 : x - Step 2: Convert to fraction form
106,941.68/147,577.64 = 59,193.98/x - Step 3: Cross multiply
106,941.68x = 147,577.64 × 59,193.98 - Step 4: Simplify right side
106,941.68x = 8,735,707,870.61 - Step 5: Solve for x
x = 8,735,707,870.61/106,941.68 - Step 6: Final answer
x = 81,686.65
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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.