Finding the Fourth Proportional to 140,335.13, 193,607.51 and 86,526.73
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Solution
The fourth proportional to 140,335.13, 193,607.51 and 86,526.73 is: 119,372.99
Step by Step Solution
- Step 1: Write the proportion equation
140,335.13 : 193,607.51 = 86,526.73 : x - Step 2: Convert to fraction form
140,335.13/193,607.51 = 86,526.73/x - Step 3: Cross multiply
140,335.13x = 193,607.51 × 86,526.73 - Step 4: Simplify right side
140,335.13x = 16,752,223,827.09 - Step 5: Solve for x
x = 16,752,223,827.09/140,335.13 - Step 6: Final answer
x = 119,372.99
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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.