Finding the Fourth Proportional to 153,182.05, 211,156.95 and 107,736.19
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Solution
The fourth proportional to 153,182.05, 211,156.95 and 107,736.19 is: 148,511.17
Step by Step Solution
- Step 1: Write the proportion equation
153,182.05 : 211,156.95 = 107,736.19 : x - Step 2: Convert to fraction form
153,182.05/211,156.95 = 107,736.19/x - Step 3: Cross multiply
153,182.05x = 211,156.95 × 107,736.19 - Step 4: Simplify right side
153,182.05x = 22,749,245,285.02 - Step 5: Solve for x
x = 22,749,245,285.02/153,182.05 - Step 6: Final answer
x = 148,511.17
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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.