Finding the Fourth Proportional to 134,318.70, 185,356.80 and 73,888.02
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Solution
The fourth proportional to 134,318.70, 185,356.80 and 73,888.02 is: 101,963.81
Step by Step Solution
- Step 1: Write the proportion equation
134,318.70 : 185,356.80 = 73,888.02 : x - Step 2: Convert to fraction form
134,318.70/185,356.80 = 73,888.02/x - Step 3: Cross multiply
134,318.70x = 185,356.80 × 73,888.02 - Step 4: Simplify right side
134,318.70x = 13,695,646,945.54 - Step 5: Solve for x
x = 13,695,646,945.54/134,318.70 - Step 6: Final answer
x = 101,963.81
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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.