Finding the Fourth Proportional to 139,548.41, 192,595.19 and 135,748.65
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Solution
The fourth proportional to 139,548.41, 192,595.19 and 135,748.65 is: 187,351.02
Step by Step Solution
- Step 1: Write the proportion equation
139,548.41 : 192,595.19 = 135,748.65 : x - Step 2: Convert to fraction form
139,548.41/192,595.19 = 135,748.65/x - Step 3: Cross multiply
139,548.41x = 192,595.19 × 135,748.65 - Step 4: Simplify right side
139,548.41x = 26,144,537,038.99 - Step 5: Solve for x
x = 26,144,537,038.99/139,548.41 - Step 6: Final answer
x = 187,351.02
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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.