Finding the Fourth Proportional to 163,466.08, 225,730.74 and 103,143.76
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Solution
The fourth proportional to 163,466.08, 225,730.74 and 103,143.76 is: 142,431.49
Step by Step Solution
- Step 1: Write the proportion equation
163,466.08 : 225,730.74 = 103,143.76 : x - Step 2: Convert to fraction form
163,466.08/225,730.74 = 103,143.76/x - Step 3: Cross multiply
163,466.08x = 225,730.74 × 103,143.76 - Step 4: Simplify right side
163,466.08x = 23,282,717,271.18 - Step 5: Solve for x
x = 23,282,717,271.18/163,466.08 - Step 6: Final answer
x = 142,431.49
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1.5x scale
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.