Finding the Fourth Proportional to 109,959.48, 164,565.36 and 67,866.18
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Solution
The fourth proportional to 109,959.48, 164,565.36 and 67,866.18 is: 101,568.53
Step by Step Solution
- Step 1: Write the proportion equation
109,959.48 : 164,565.36 = 67,866.18 : x - Step 2: Convert to fraction form
109,959.48/164,565.36 = 67,866.18/x - Step 3: Cross multiply
109,959.48x = 164,565.36 × 67,866.18 - Step 4: Simplify right side
109,959.48x = 11,168,422,343.52 - Step 5: Solve for x
x = 11,168,422,343.52/109,959.48 - Step 6: Final answer
x = 101,568.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.