Finding the Fourth Proportional to 124,119.92, 171,282.12 and 67,530.08
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Solution
The fourth proportional to 124,119.92, 171,282.12 and 67,530.08 is: 93,189.68
Step by Step Solution
- Step 1: Write the proportion equation
124,119.92 : 171,282.12 = 67,530.08 : x - Step 2: Convert to fraction form
124,119.92/171,282.12 = 67,530.08/x - Step 3: Cross multiply
124,119.92x = 171,282.12 × 67,530.08 - Step 4: Simplify right side
124,119.92x = 11,566,695,266.17 - Step 5: Solve for x
x = 11,566,695,266.17/124,119.92 - Step 6: Final answer
x = 93,189.68
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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.