Finding the Fourth Proportional to 125,602.64, 173,341.28 and 71,904.48
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Solution
The fourth proportional to 125,602.64, 173,341.28 and 71,904.48 is: 99,233.70
Step by Step Solution
- Step 1: Write the proportion equation
125,602.64 : 173,341.28 = 71,904.48 : x - Step 2: Convert to fraction form
125,602.64/173,341.28 = 71,904.48/x - Step 3: Cross multiply
125,602.64x = 173,341.28 × 71,904.48 - Step 4: Simplify right side
125,602.64x = 12,464,014,600.93 - Step 5: Solve for x
x = 12,464,014,600.93/125,602.64 - Step 6: Final answer
x = 99,233.70
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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.