Finding the Fourth Proportional to 96,541.70, 144,812.55 and 84,877.70
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Solution
The fourth proportional to 96,541.70, 144,812.55 and 84,877.70 is: 127,316.55
Step by Step Solution
- Step 1: Write the proportion equation
96,541.70 : 144,812.55 = 84,877.70 : x - Step 2: Convert to fraction form
96,541.70/144,812.55 = 84,877.70/x - Step 3: Cross multiply
96,541.70x = 144,812.55 × 84,877.70 - Step 4: Simplify right side
96,541.70x = 12,291,356,175.14 - Step 5: Solve for x
x = 12,291,356,175.14/96,541.70 - Step 6: Final answer
x = 127,316.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.