Finding the Fourth Proportional to 168,765.88, 232,901.58 and 93,317.08
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Solution
The fourth proportional to 168,765.88, 232,901.58 and 93,317.08 is: 128,780.15
Step by Step Solution
- Step 1: Write the proportion equation
168,765.88 : 232,901.58 = 93,317.08 : x - Step 2: Convert to fraction form
168,765.88/232,901.58 = 93,317.08/x - Step 3: Cross multiply
168,765.88x = 232,901.58 × 93,317.08 - Step 4: Simplify right side
168,765.88x = 21,733,695,372.99 - Step 5: Solve for x
x = 21,733,695,372.99/168,765.88 - Step 6: Final answer
x = 128,780.15
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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.