Finding the Fourth Proportional to 135,508.95, 187,159.82 and 127,635.75
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Solution
The fourth proportional to 135,508.95, 187,159.82 and 127,635.75 is: 176,285.65
Step by Step Solution
- Step 1: Write the proportion equation
135,508.95 : 187,159.82 = 127,635.75 : x - Step 2: Convert to fraction form
135,508.95/187,159.82 = 127,635.75/x - Step 3: Cross multiply
135,508.95x = 187,159.82 × 127,635.75 - Step 4: Simplify right side
135,508.95x = 23,888,283,357.39 - Step 5: Solve for x
x = 23,888,283,357.39/135,508.95 - Step 6: Final answer
x = 176,285.65
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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.