Finding the Fourth Proportional to 114,029.76, 157,347.44 and 63,035.62
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Solution
The fourth proportional to 114,029.76, 157,347.44 and 63,035.62 is: 86,981.62
Step by Step Solution
- Step 1: Write the proportion equation
114,029.76 : 157,347.44 = 63,035.62 : x - Step 2: Convert to fraction form
114,029.76/157,347.44 = 63,035.62/x - Step 3: Cross multiply
114,029.76x = 157,347.44 × 63,035.62 - Step 4: Simplify right side
114,029.76x = 9,918,493,435.81 - Step 5: Solve for x
x = 9,918,493,435.81/114,029.76 - Step 6: Final answer
x = 86,981.62
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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.