Finding the Fourth Proportional to 106,636.99, 147,159.14 and 58,890.53
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Solution
The fourth proportional to 106,636.99, 147,159.14 and 58,890.53 is: 81,268.98
Step by Step Solution
- Step 1: Write the proportion equation
106,636.99 : 147,159.14 = 58,890.53 : x - Step 2: Convert to fraction form
106,636.99/147,159.14 = 58,890.53/x - Step 3: Cross multiply
106,636.99x = 147,159.14 × 58,890.53 - Step 4: Simplify right side
106,636.99x = 8,666,279,748.94 - Step 5: Solve for x
x = 8,666,279,748.94/106,636.99 - Step 6: Final answer
x = 81,268.98
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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.