Finding the Fourth Proportional to 126,605.48, 174,926.12 and 99,952.02
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Solution
The fourth proportional to 126,605.48, 174,926.12 and 99,952.02 is: 138,100.02
Step by Step Solution
- Step 1: Write the proportion equation
126,605.48 : 174,926.12 = 99,952.02 : x - Step 2: Convert to fraction form
126,605.48/174,926.12 = 99,952.02/x - Step 3: Cross multiply
126,605.48x = 174,926.12 × 99,952.02 - Step 4: Simplify right side
126,605.48x = 17,484,218,545.00 - Step 5: Solve for x
x = 17,484,218,545.00/126,605.48 - Step 6: Final answer
x = 138,100.02
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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.