Finding the Fourth Proportional to 101,497.01, 140,066.16 and 56,178.14
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Solution
The fourth proportional to 101,497.01, 140,066.16 and 56,178.14 is: 77,525.99
Step by Step Solution
- Step 1: Write the proportion equation
101,497.01 : 140,066.16 = 56,178.14 : x - Step 2: Convert to fraction form
101,497.01/140,066.16 = 56,178.14/x - Step 3: Cross multiply
101,497.01x = 140,066.16 × 56,178.14 - Step 4: Simplify right side
101,497.01x = 7,868,655,645.41 - Step 5: Solve for x
x = 7,868,655,645.41/101,497.01 - Step 6: Final answer
x = 77,525.99
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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.