Finding the Fourth Proportional to 134,730.23, 185,925.26 and 74,306.49
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Solution
The fourth proportional to 134,730.23, 185,925.26 and 74,306.49 is: 102,541.60
Step by Step Solution
- Step 1: Write the proportion equation
134,730.23 : 185,925.26 = 74,306.49 : x - Step 2: Convert to fraction form
134,730.23/185,925.26 = 74,306.49/x - Step 3: Cross multiply
134,730.23x = 185,925.26 × 74,306.49 - Step 4: Simplify right side
134,730.23x = 13,815,453,472.94 - Step 5: Solve for x
x = 13,815,453,472.94/134,730.23 - Step 6: Final answer
x = 102,541.60
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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.