Finding the Fourth Proportional to 102,164.48, 153,283.62 and 52,268.07
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Solution
The fourth proportional to 102,164.48, 153,283.62 and 52,268.07 is: 78,420.99
Step by Step Solution
- Step 1: Write the proportion equation
102,164.48 : 153,283.62 = 52,268.07 : x - Step 2: Convert to fraction form
102,164.48/153,283.62 = 52,268.07/x - Step 3: Cross multiply
102,164.48x = 153,283.62 × 52,268.07 - Step 4: Simplify right side
102,164.48x = 8,011,838,980.01 - Step 5: Solve for x
x = 8,011,838,980.01/102,164.48 - Step 6: Final answer
x = 78,420.99
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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.