Finding the Fourth Proportional to 102,135.53, 153,203.30 and 32,020.31
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Solution
The fourth proportional to 102,135.53, 153,203.30 and 32,020.31 is: 48,030.47
Step by Step Solution
- Step 1: Write the proportion equation
102,135.53 : 153,203.30 = 32,020.31 : x - Step 2: Convert to fraction form
102,135.53/153,203.30 = 32,020.31/x - Step 3: Cross multiply
102,135.53x = 153,203.30 × 32,020.31 - Step 4: Simplify right side
102,135.53x = 4,905,617,502.01 - Step 5: Solve for x
x = 4,905,617,502.01/102,135.53 - Step 6: Final answer
x = 48,030.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.