Finding the Fourth Proportional to 134,841.80, 202,262.70 and 55,947.80
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Solution
The fourth proportional to 134,841.80, 202,262.70 and 55,947.80 is: 83,921.70
Step by Step Solution
- Step 1: Write the proportion equation
134,841.80 : 202,262.70 = 55,947.80 : x - Step 2: Convert to fraction form
134,841.80/202,262.70 = 55,947.80/x - Step 3: Cross multiply
134,841.80x = 202,262.70 × 55,947.80 - Step 4: Simplify right side
134,841.80x = 11,316,153,087.06 - Step 5: Solve for x
x = 11,316,153,087.06/134,841.80 - Step 6: Final answer
x = 83,921.70
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1.5x scale
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.