Finding the Fourth Proportional to 113,842.98, 157,101.62 and 62,856.32
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Solution
The fourth proportional to 113,842.98, 157,101.62 and 62,856.32 is: 86,740.79
Step by Step Solution
- Step 1: Write the proportion equation
113,842.98 : 157,101.62 = 62,856.32 : x - Step 2: Convert to fraction form
113,842.98/157,101.62 = 62,856.32/x - Step 3: Cross multiply
113,842.98x = 157,101.62 × 62,856.32 - Step 4: Simplify right side
113,842.98x = 9,874,829,699.24 - Step 5: Solve for x
x = 9,874,829,699.24/113,842.98 - Step 6: Final answer
x = 86,740.79
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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.