Finding the Fourth Proportional to 153,956.96, 212,437.80 and 93,496.08
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Solution
The fourth proportional to 153,956.96, 212,437.80 and 93,496.08 is: 129,010.74
Step by Step Solution
- Step 1: Write the proportion equation
153,956.96 : 212,437.80 = 93,496.08 : x - Step 2: Convert to fraction form
153,956.96/212,437.80 = 93,496.08/x - Step 3: Cross multiply
153,956.96x = 212,437.80 × 93,496.08 - Step 4: Simplify right side
153,956.96x = 19,862,101,543.82 - Step 5: Solve for x
x = 19,862,101,543.82/153,956.96 - Step 6: Final answer
x = 129,010.74
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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.