Finding the Fourth Proportional to 158,687.76, 237,947.88 and 83,848.08
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Solution
The fourth proportional to 158,687.76, 237,947.88 and 83,848.08 is: 125,727.86
Step by Step Solution
- Step 1: Write the proportion equation
158,687.76 : 237,947.88 = 83,848.08 : x - Step 2: Convert to fraction form
158,687.76/237,947.88 = 83,848.08/x - Step 3: Cross multiply
158,687.76x = 237,947.88 × 83,848.08 - Step 4: Simplify right side
158,687.76x = 19,951,472,878.07 - Step 5: Solve for x
x = 19,951,472,878.07/158,687.76 - Step 6: Final answer
x = 125,727.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.