Finding the Fourth Proportional to 107,839.74, 148,801.35 and 62,508.88
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Solution
The fourth proportional to 107,839.74, 148,801.35 and 62,508.88 is: 86,252.12
Step by Step Solution
- Step 1: Write the proportion equation
107,839.74 : 148,801.35 = 62,508.88 : x - Step 2: Convert to fraction form
107,839.74/148,801.35 = 62,508.88/x - Step 3: Cross multiply
107,839.74x = 148,801.35 × 62,508.88 - Step 4: Simplify right side
107,839.74x = 9,301,406,151.40 - Step 5: Solve for x
x = 9,301,406,151.40/107,839.74 - Step 6: Final answer
x = 86,252.12
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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.