Finding the Fourth Proportional to 121,264.07, 167,322.21 and 67,547.75
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Solution
The fourth proportional to 121,264.07, 167,322.21 and 67,547.75 is: 93,203.53
Step by Step Solution
- Step 1: Write the proportion equation
121,264.07 : 167,322.21 = 67,547.75 : x - Step 2: Convert to fraction form
121,264.07/167,322.21 = 67,547.75/x - Step 3: Cross multiply
121,264.07x = 167,322.21 × 67,547.75 - Step 4: Simplify right side
121,264.07x = 11,302,238,810.53 - Step 5: Solve for x
x = 11,302,238,810.53/121,264.07 - Step 6: Final answer
x = 93,203.53
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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.