Finding the Fourth Proportional to 107,276.51, 148,044.98 and 61,953.68
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Solution
The fourth proportional to 107,276.51, 148,044.98 and 61,953.68 is: 85,498.03
Step by Step Solution
- Step 1: Write the proportion equation
107,276.51 : 148,044.98 = 61,953.68 : x - Step 2: Convert to fraction form
107,276.51/148,044.98 = 61,953.68/x - Step 3: Cross multiply
107,276.51x = 148,044.98 × 61,953.68 - Step 4: Simplify right side
107,276.51x = 9,171,930,731.19 - Step 5: Solve for x
x = 9,171,930,731.19/107,276.51 - Step 6: Final answer
x = 85,498.03
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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.