Finding the Fourth Proportional to 135,726.62, 187,294.28 and 75,296.03
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Solution
The fourth proportional to 135,726.62, 187,294.28 and 75,296.03 is: 103,903.82
Step by Step Solution
- Step 1: Write the proportion equation
135,726.62 : 187,294.28 = 75,296.03 : x - Step 2: Convert to fraction form
135,726.62/187,294.28 = 75,296.03/x - Step 3: Cross multiply
135,726.62x = 187,294.28 × 75,296.03 - Step 4: Simplify right side
135,726.62x = 14,102,514,412.76 - Step 5: Solve for x
x = 14,102,514,412.76/135,726.62 - Step 6: Final answer
x = 103,903.82
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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.