Finding the Fourth Proportional to 169,507.68, 233,965.98 and 105,807.12
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Solution
The fourth proportional to 169,507.68, 233,965.98 and 105,807.12 is: 146,042.15
Step by Step Solution
- Step 1: Write the proportion equation
169,507.68 : 233,965.98 = 105,807.12 : x - Step 2: Convert to fraction form
169,507.68/233,965.98 = 105,807.12/x - Step 3: Cross multiply
169,507.68x = 233,965.98 × 105,807.12 - Step 4: Simplify right side
169,507.68x = 24,755,266,521.78 - Step 5: Solve for x
x = 24,755,266,521.78/169,507.68 - Step 6: Final answer
x = 146,042.15
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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.