Finding the Fourth Proportional to 159,663.99, 220,312.26 and 91,683.93
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Solution
The fourth proportional to 159,663.99, 220,312.26 and 91,683.93 is: 126,510.02
Step by Step Solution
- Step 1: Write the proportion equation
159,663.99 : 220,312.26 = 91,683.93 : x - Step 2: Convert to fraction form
159,663.99/220,312.26 = 91,683.93/x - Step 3: Cross multiply
159,663.99x = 220,312.26 × 91,683.93 - Step 4: Simplify right side
159,663.99x = 20,199,093,823.98 - Step 5: Solve for x
x = 20,199,093,823.98/159,663.99 - Step 6: Final answer
x = 126,510.02
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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.