Finding the Fourth Proportional to 106,937.18, 147,574.62 and 59,194.98
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Solution
The fourth proportional to 106,937.18, 147,574.62 and 59,194.98 is: 81,689.80
Step by Step Solution
- Step 1: Write the proportion equation
106,937.18 : 147,574.62 = 59,194.98 : x - Step 2: Convert to fraction form
106,937.18/147,574.62 = 59,194.98/x - Step 3: Cross multiply
106,937.18x = 147,574.62 × 59,194.98 - Step 4: Simplify right side
106,937.18x = 8,735,676,679.41 - Step 5: Solve for x
x = 8,735,676,679.41/106,937.18 - Step 6: Final answer
x = 81,689.80
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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.