Finding the Fourth Proportional to 124,897.14, 187,345.71 and 72,277.92
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Solution
The fourth proportional to 124,897.14, 187,345.71 and 72,277.92 is: 108,416.88
Step by Step Solution
- Step 1: Write the proportion equation
124,897.14 : 187,345.71 = 72,277.92 : x - Step 2: Convert to fraction form
124,897.14/187,345.71 = 72,277.92/x - Step 3: Cross multiply
124,897.14x = 187,345.71 × 72,277.92 - Step 4: Simplify right side
124,897.14x = 13,540,958,239.72 - Step 5: Solve for x
x = 13,540,958,239.72/124,897.14 - Step 6: Final answer
x = 108,416.88
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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.