Finding the Fourth Proportional to 125,565.79, 173,282.66 and 68,206.23
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Solution
The fourth proportional to 125,565.79, 173,282.66 and 68,206.23 is: 94,125.61
Step by Step Solution
- Step 1: Write the proportion equation
125,565.79 : 173,282.66 = 68,206.23 : x - Step 2: Convert to fraction form
125,565.79/173,282.66 = 68,206.23/x - Step 3: Cross multiply
125,565.79x = 173,282.66 × 68,206.23 - Step 4: Simplify right side
125,565.79x = 11,818,956,621.94 - Step 5: Solve for x
x = 11,818,956,621.94/125,565.79 - Step 6: Final answer
x = 94,125.61
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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.