Finding the Fourth Proportional to 121,272.04, 167,314.98 and 73,510.12
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Solution
The fourth proportional to 121,272.04, 167,314.98 and 73,510.12 is: 101,419.46
Step by Step Solution
- Step 1: Write the proportion equation
121,272.04 : 167,314.98 = 73,510.12 : x - Step 2: Convert to fraction form
121,272.04/167,314.98 = 73,510.12/x - Step 3: Cross multiply
121,272.04x = 167,314.98 × 73,510.12 - Step 4: Simplify right side
121,272.04x = 12,299,344,257.60 - Step 5: Solve for x
x = 12,299,344,257.60/121,272.04 - Step 6: Final answer
x = 101,419.46
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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.