Finding the Fourth Proportional to 119,588.72, 164,852.15 and 98,331.08
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Solution
The fourth proportional to 119,588.72, 164,852.15 and 98,331.08 is: 135,548.65
Step by Step Solution
- Step 1: Write the proportion equation
119,588.72 : 164,852.15 = 98,331.08 : x - Step 2: Convert to fraction form
119,588.72/164,852.15 = 98,331.08/x - Step 3: Cross multiply
119,588.72x = 164,852.15 × 98,331.08 - Step 4: Simplify right side
119,588.72x = 16,210,088,633.91 - Step 5: Solve for x
x = 16,210,088,633.91/119,588.72 - Step 6: Final answer
x = 135,548.65
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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.