Finding the Fourth Proportional to 105,460.68, 145,603.66 and 94,110.66
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Solution
The fourth proportional to 105,460.68, 145,603.66 and 94,110.66 is: 129,933.32
Step by Step Solution
- Step 1: Write the proportion equation
105,460.68 : 145,603.66 = 94,110.66 : x - Step 2: Convert to fraction form
105,460.68/145,603.66 = 94,110.66/x - Step 3: Cross multiply
105,460.68x = 145,603.66 × 94,110.66 - Step 4: Simplify right side
105,460.68x = 13,702,855,577.72 - Step 5: Solve for x
x = 13,702,855,577.72/105,460.68 - Step 6: Final answer
x = 129,933.32
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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.