Finding the Fourth Proportional to 109,614.24, 151,267.68 and 59,313.12
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Solution
The fourth proportional to 109,614.24, 151,267.68 and 59,313.12 is: 81,852.12
Step by Step Solution
- Step 1: Write the proportion equation
109,614.24 : 151,267.68 = 59,313.12 : x - Step 2: Convert to fraction form
109,614.24/151,267.68 = 59,313.12/x - Step 3: Cross multiply
109,614.24x = 151,267.68 × 59,313.12 - Step 4: Simplify right side
109,614.24x = 8,972,158,055.96 - Step 5: Solve for x
x = 8,972,158,055.96/109,614.24 - Step 6: Final answer
x = 81,852.12
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1.5x scale
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.