Finding the Fourth Proportional to 119,202.18, 164,501.91 and 65,490.66
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Solution
The fourth proportional to 119,202.18, 164,501.91 and 65,490.66 is: 90,378.70
Step by Step Solution
- Step 1: Write the proportion equation
119,202.18 : 164,501.91 = 65,490.66 : x - Step 2: Convert to fraction form
119,202.18/164,501.91 = 65,490.66/x - Step 3: Cross multiply
119,202.18x = 164,501.91 × 65,490.66 - Step 4: Simplify right side
119,202.18x = 10,773,338,657.16 - Step 5: Solve for x
x = 10,773,338,657.16/119,202.18 - Step 6: Final answer
x = 90,378.70
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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.