Finding the Fourth Proportional to 128,565.08, 192,971.99 and 62,052.02
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Solution
The fourth proportional to 128,565.08, 192,971.99 and 62,052.02 is: 93,138.05
Step by Step Solution
- Step 1: Write the proportion equation
128,565.08 : 192,971.99 = 62,052.02 : x - Step 2: Convert to fraction form
128,565.08/192,971.99 = 62,052.02/x - Step 3: Cross multiply
128,565.08x = 192,971.99 × 62,052.02 - Step 4: Simplify right side
128,565.08x = 11,974,300,507.80 - Step 5: Solve for x
x = 11,974,300,507.80/128,565.08 - Step 6: Final answer
x = 93,138.05
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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.