Finding the Fourth Proportional to 105,966.24, 158,990.12 and 46,760.08
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Solution
The fourth proportional to 105,966.24, 158,990.12 and 46,760.08 is: 70,158.11
Step by Step Solution
- Step 1: Write the proportion equation
105,966.24 : 158,990.12 = 46,760.08 : x - Step 2: Convert to fraction form
105,966.24/158,990.12 = 46,760.08/x - Step 3: Cross multiply
105,966.24x = 158,990.12 × 46,760.08 - Step 4: Simplify right side
105,966.24x = 7,434,390,730.41 - Step 5: Solve for x
x = 7,434,390,730.41/105,966.24 - Step 6: Final answer
x = 70,158.11
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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.