Finding the Fourth Proportional to 119,301.56, 164,639.79 and 68,330.79
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Solution
The fourth proportional to 119,301.56, 164,639.79 and 68,330.79 is: 94,298.57
Step by Step Solution
- Step 1: Write the proportion equation
119,301.56 : 164,639.79 = 68,330.79 : x - Step 2: Convert to fraction form
119,301.56/164,639.79 = 68,330.79/x - Step 3: Cross multiply
119,301.56x = 164,639.79 × 68,330.79 - Step 4: Simplify right side
119,301.56x = 11,249,966,916.13 - Step 5: Solve for x
x = 11,249,966,916.13/119,301.56 - Step 6: Final answer
x = 94,298.57
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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.