Finding the Fourth Proportional to 135,641.12, 203,463.41 and 93,509.93
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Solution
The fourth proportional to 135,641.12, 203,463.41 and 93,509.93 is: 140,266.09
Step by Step Solution
- Step 1: Write the proportion equation
135,641.12 : 203,463.41 = 93,509.93 : x - Step 2: Convert to fraction form
135,641.12/203,463.41 = 93,509.93/x - Step 3: Cross multiply
135,641.12x = 203,463.41 × 93,509.93 - Step 4: Simplify right side
135,641.12x = 19,025,849,113.15 - Step 5: Solve for x
x = 19,025,849,113.15/135,641.12 - Step 6: Final answer
x = 140,266.09
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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.