Finding the Fourth Proportional to 124,028.64, 185,828.99 and 67,909.14
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Solution
The fourth proportional to 124,028.64, 185,828.99 and 67,909.14 is: 101,746.55
Step by Step Solution
- Step 1: Write the proportion equation
124,028.64 : 185,828.99 = 67,909.14 : x - Step 2: Convert to fraction form
124,028.64/185,828.99 = 67,909.14/x - Step 3: Cross multiply
124,028.64x = 185,828.99 × 67,909.14 - Step 4: Simplify right side
124,028.64x = 12,619,486,558.42 - Step 5: Solve for x
x = 12,619,486,558.42/124,028.64 - Step 6: Final answer
x = 101,746.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.