Finding the Fourth Proportional to 124,614.23, 171,965.40 and 70,898.09
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Solution
The fourth proportional to 124,614.23, 171,965.40 and 70,898.09 is: 97,838.09
Step by Step Solution
- Step 1: Write the proportion equation
124,614.23 : 171,965.40 = 70,898.09 : x - Step 2: Convert to fraction form
124,614.23/171,965.40 = 70,898.09/x - Step 3: Cross multiply
124,614.23x = 171,965.40 × 70,898.09 - Step 4: Simplify right side
124,614.23x = 12,192,017,546.26 - Step 5: Solve for x
x = 12,192,017,546.26/124,614.23 - Step 6: Final answer
x = 97,838.09
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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.