Finding the Fourth Proportional to 129,335.79, 194,032.87 and 39,386.54
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Solution
The fourth proportional to 129,335.79, 194,032.87 and 39,386.54 is: 59,088.70
Step by Step Solution
- Step 1: Write the proportion equation
129,335.79 : 194,032.87 = 39,386.54 : x - Step 2: Convert to fraction form
129,335.79/194,032.87 = 39,386.54/x - Step 3: Cross multiply
129,335.79x = 194,032.87 × 39,386.54 - Step 4: Simplify right side
129,335.79x = 7,642,283,782.19 - Step 5: Solve for x
x = 7,642,283,782.19/129,335.79 - Step 6: Final answer
x = 59,088.70
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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.