Finding the Fourth Proportional to 147,047.12, 202,927.10 and 85,791.53
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Solution
The fourth proportional to 147,047.12, 202,927.10 and 85,791.53 is: 118,393.52
Step by Step Solution
- Step 1: Write the proportion equation
147,047.12 : 202,927.10 = 85,791.53 : x - Step 2: Convert to fraction form
147,047.12/202,927.10 = 85,791.53/x - Step 3: Cross multiply
147,047.12x = 202,927.10 × 85,791.53 - Step 4: Simplify right side
147,047.12x = 17,409,426,136.38 - Step 5: Solve for x
x = 17,409,426,136.38/147,047.12 - Step 6: Final answer
x = 118,393.52
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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.