Finding the Fourth Proportional to 102,365.78, 141,207.71 and 59,916.11
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Solution
The fourth proportional to 102,365.78, 141,207.71 and 59,916.11 is: 82,650.82
Step by Step Solution
- Step 1: Write the proportion equation
102,365.78 : 141,207.71 = 59,916.11 : x - Step 2: Convert to fraction form
102,365.78/141,207.71 = 59,916.11/x - Step 3: Cross multiply
102,365.78x = 141,207.71 × 59,916.11 - Step 4: Simplify right side
102,365.78x = 8,460,615,679.59 - Step 5: Solve for x
x = 8,460,615,679.59/102,365.78 - Step 6: Final answer
x = 82,650.82
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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.