Finding the Fourth Proportional to 113,802.18, 157,009.55 and 73,539.66
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Solution
The fourth proportional to 113,802.18, 157,009.55 and 73,539.66 is: 101,460.52
Step by Step Solution
- Step 1: Write the proportion equation
113,802.18 : 157,009.55 = 73,539.66 : x - Step 2: Convert to fraction form
113,802.18/157,009.55 = 73,539.66/x - Step 3: Cross multiply
113,802.18x = 157,009.55 × 73,539.66 - Step 4: Simplify right side
113,802.18x = 11,546,428,923.75 - Step 5: Solve for x
x = 11,546,428,923.75/113,802.18 - Step 6: Final answer
x = 101,460.52
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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.