Finding the Fourth Proportional to 153,526.13, 211,911.68 and 96,975.17
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Solution
The fourth proportional to 153,526.13, 211,911.68 and 96,975.17 is: 133,854.55
Step by Step Solution
- Step 1: Write the proportion equation
153,526.13 : 211,911.68 = 96,975.17 : x - Step 2: Convert to fraction form
153,526.13/211,911.68 = 96,975.17/x - Step 3: Cross multiply
153,526.13x = 211,911.68 × 96,975.17 - Step 4: Simplify right side
153,526.13x = 20,550,171,170.53 - Step 5: Solve for x
x = 20,550,171,170.53/153,526.13 - Step 6: Final answer
x = 133,854.55
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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.