Finding the Fourth Proportional to 96,307.80, 144,461.70 and 84,643.80
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Solution
The fourth proportional to 96,307.80, 144,461.70 and 84,643.80 is: 126,965.70
Step by Step Solution
- Step 1: Write the proportion equation
96,307.80 : 144,461.70 = 84,643.80 : x - Step 2: Convert to fraction form
96,307.80/144,461.70 = 84,643.80/x - Step 3: Cross multiply
96,307.80x = 144,461.70 × 84,643.80 - Step 4: Simplify right side
96,307.80x = 12,227,787,242.46 - Step 5: Solve for x
x = 12,227,787,242.46/96,307.80 - Step 6: Final answer
x = 126,965.70
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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.