Finding the Fourth Proportional to 163,545.19, 225,698.76 and 91,924.99
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Solution
The fourth proportional to 163,545.19, 225,698.76 and 91,924.99 is: 126,860.08
Step by Step Solution
- Step 1: Write the proportion equation
163,545.19 : 225,698.76 = 91,924.99 : x - Step 2: Convert to fraction form
163,545.19/225,698.76 = 91,924.99/x - Step 3: Cross multiply
163,545.19x = 225,698.76 × 91,924.99 - Step 4: Simplify right side
163,545.19x = 20,747,356,256.01 - Step 5: Solve for x
x = 20,747,356,256.01/163,545.19 - Step 6: Final answer
x = 126,860.08
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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.