Finding the Fourth Proportional to 132,925.23, 183,430.35 and 79,209.05
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Solution
The fourth proportional to 132,925.23, 183,430.35 and 79,209.05 is: 109,304.63
Step by Step Solution
- Step 1: Write the proportion equation
132,925.23 : 183,430.35 = 79,209.05 : x - Step 2: Convert to fraction form
132,925.23/183,430.35 = 79,209.05/x - Step 3: Cross multiply
132,925.23x = 183,430.35 × 79,209.05 - Step 4: Simplify right side
132,925.23x = 14,529,342,847.52 - Step 5: Solve for x
x = 14,529,342,847.52/132,925.23 - Step 6: Final answer
x = 109,304.63
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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.