Finding the Fourth Proportional to 135,953.02, 203,950.23 and 69,356.80
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Solution
The fourth proportional to 135,953.02, 203,950.23 and 69,356.80 is: 104,045.76
Step by Step Solution
- Step 1: Write the proportion equation
135,953.02 : 203,950.23 = 69,356.80 : x - Step 2: Convert to fraction form
135,953.02/203,950.23 = 69,356.80/x - Step 3: Cross multiply
135,953.02x = 203,950.23 × 69,356.80 - Step 4: Simplify right side
135,953.02x = 14,145,335,312.06 - Step 5: Solve for x
x = 14,145,335,312.06/135,953.02 - Step 6: Final answer
x = 104,045.76
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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.