Finding the Fourth Proportional to 167,125.79, 230,558.87 and 99,145.63
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Solution
The fourth proportional to 167,125.79, 230,558.87 and 99,145.63 is: 136,776.64
Step by Step Solution
- Step 1: Write the proportion equation
167,125.79 : 230,558.87 = 99,145.63 : x - Step 2: Convert to fraction form
167,125.79/230,558.87 = 99,145.63/x - Step 3: Cross multiply
167,125.79x = 230,558.87 × 99,145.63 - Step 4: Simplify right side
167,125.79x = 22,858,903,657.41 - Step 5: Solve for x
x = 22,858,903,657.41/167,125.79 - Step 6: Final answer
x = 136,776.64
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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.