Finding the Fourth Proportional to 110,089.08, 151,939.80 and 88,802.28
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Solution
The fourth proportional to 110,089.08, 151,939.80 and 88,802.28 is: 122,560.75
Step by Step Solution
- Step 1: Write the proportion equation
110,089.08 : 151,939.80 = 88,802.28 : x - Step 2: Convert to fraction form
110,089.08/151,939.80 = 88,802.28/x - Step 3: Cross multiply
110,089.08x = 151,939.80 × 88,802.28 - Step 4: Simplify right side
110,089.08x = 13,492,600,662.74 - Step 5: Solve for x
x = 13,492,600,662.74/110,089.08 - Step 6: Final answer
x = 122,560.75
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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.