Finding the Fourth Proportional to 166,995.98, 230,454.12 and 91,545.02
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Solution
The fourth proportional to 166,995.98, 230,454.12 and 91,545.02 is: 126,331.95
Step by Step Solution
- Step 1: Write the proportion equation
166,995.98 : 230,454.12 = 91,545.02 : x - Step 2: Convert to fraction form
166,995.98/230,454.12 = 91,545.02/x - Step 3: Cross multiply
166,995.98x = 230,454.12 × 91,545.02 - Step 4: Simplify right side
166,995.98x = 21,096,927,024.48 - Step 5: Solve for x
x = 21,096,927,024.48/166,995.98 - Step 6: Final answer
x = 126,331.95
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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.