Finding the Fourth Proportional to 134,703.13, 185,898.60 and 74,273.59
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Solution
The fourth proportional to 134,703.13, 185,898.60 and 74,273.59 is: 102,502.12
Step by Step Solution
- Step 1: Write the proportion equation
134,703.13 : 185,898.60 = 74,273.59 : x - Step 2: Convert to fraction form
134,703.13/185,898.60 = 74,273.59/x - Step 3: Cross multiply
134,703.13x = 185,898.60 × 74,273.59 - Step 4: Simplify right side
134,703.13x = 13,807,356,397.97 - Step 5: Solve for x
x = 13,807,356,397.97/134,703.13 - Step 6: Final answer
x = 102,502.12
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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.