Finding the Fourth Proportional to 140,403.02, 193,644.68 and 106,062.36
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Solution
The fourth proportional to 140,403.02, 193,644.68 and 106,062.36 is: 146,281.84
Step by Step Solution
- Step 1: Write the proportion equation
140,403.02 : 193,644.68 = 106,062.36 : x - Step 2: Convert to fraction form
140,403.02/193,644.68 = 106,062.36/x - Step 3: Cross multiply
140,403.02x = 193,644.68 × 106,062.36 - Step 4: Simplify right side
140,403.02x = 20,538,411,762.24 - Step 5: Solve for x
x = 20,538,411,762.24/140,403.02 - Step 6: Final answer
x = 146,281.84
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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.