Finding the Fourth Proportional to 108,840.20, 163,058.70 and 61,953.80
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Solution
The fourth proportional to 108,840.20, 163,058.70 and 61,953.80 is: 92,815.95
Step by Step Solution
- Step 1: Write the proportion equation
108,840.20 : 163,058.70 = 61,953.80 : x - Step 2: Convert to fraction form
108,840.20/163,058.70 = 61,953.80/x - Step 3: Cross multiply
108,840.20x = 163,058.70 × 61,953.80 - Step 4: Simplify right side
108,840.20x = 10,102,106,088.06 - Step 5: Solve for x
x = 10,102,106,088.06/108,840.20 - Step 6: Final answer
x = 92,815.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.