Finding the Fourth Proportional to 93,208.20, 139,713.84 and 66,898.68
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Solution
The fourth proportional to 93,208.20, 139,713.84 and 66,898.68 is: 100,277.35
Step by Step Solution
- Step 1: Write the proportion equation
93,208.20 : 139,713.84 = 66,898.68 : x - Step 2: Convert to fraction form
93,208.20/139,713.84 = 66,898.68/x - Step 3: Cross multiply
93,208.20x = 139,713.84 × 66,898.68 - Step 4: Simplify right side
93,208.20x = 9,346,671,473.73 - Step 5: Solve for x
x = 9,346,671,473.73/93,208.20 - Step 6: Final answer
x = 100,277.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.