Finding the Fourth Proportional to 101,167.36, 139,618.68 and 55,854.07
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Solution
The fourth proportional to 101,167.36, 139,618.68 and 55,854.07 is: 77,082.88
Step by Step Solution
- Step 1: Write the proportion equation
101,167.36 : 139,618.68 = 55,854.07 : x - Step 2: Convert to fraction form
101,167.36/139,618.68 = 55,854.07/x - Step 3: Cross multiply
101,167.36x = 139,618.68 × 55,854.07 - Step 4: Simplify right side
101,167.36x = 7,798,271,526.03 - Step 5: Solve for x
x = 7,798,271,526.03/101,167.36 - Step 6: Final answer
x = 77,082.88
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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.