Finding the Fourth Proportional to 114,155.24, 157,530.17 and 63,167.09
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Solution
The fourth proportional to 114,155.24, 157,530.17 and 63,167.09 is: 87,168.33
Step by Step Solution
- Step 1: Write the proportion equation
114,155.24 : 157,530.17 = 63,167.09 : x - Step 2: Convert to fraction form
114,155.24/157,530.17 = 63,167.09/x - Step 3: Cross multiply
114,155.24x = 157,530.17 × 63,167.09 - Step 4: Simplify right side
114,155.24x = 9,950,722,110.27 - Step 5: Solve for x
x = 9,950,722,110.27/114,155.24 - Step 6: Final answer
x = 87,168.33
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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.