Finding the Fourth Proportional to 133,192.56, 183,798.36 and 76,604.88
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Solution
The fourth proportional to 133,192.56, 183,798.36 and 76,604.88 is: 105,710.49
Step by Step Solution
- Step 1: Write the proportion equation
133,192.56 : 183,798.36 = 76,604.88 : x - Step 2: Convert to fraction form
133,192.56/183,798.36 = 76,604.88/x - Step 3: Cross multiply
133,192.56x = 183,798.36 × 76,604.88 - Step 4: Simplify right side
133,192.56x = 14,079,851,312.00 - Step 5: Solve for x
x = 14,079,851,312.00/133,192.56 - Step 6: Final answer
x = 105,710.49
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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.