Finding the Fourth Proportional to 163,615.95, 225,901.85 and 125,307.81
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Solution
The fourth proportional to 163,615.95, 225,901.85 and 125,307.81 is: 173,010.43
Step by Step Solution
- Step 1: Write the proportion equation
163,615.95 : 225,901.85 = 125,307.81 : x - Step 2: Convert to fraction form
163,615.95/225,901.85 = 125,307.81/x - Step 3: Cross multiply
163,615.95x = 225,901.85 × 125,307.81 - Step 4: Simplify right side
163,615.95x = 28,307,265,471.91 - Step 5: Solve for x
x = 28,307,265,471.91/163,615.95 - Step 6: Final answer
x = 173,010.43
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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.