Finding the Fourth Proportional to 124,565.70, 186,848.55 and 102,695.70
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Solution
The fourth proportional to 124,565.70, 186,848.55 and 102,695.70 is: 154,043.55
Step by Step Solution
- Step 1: Write the proportion equation
124,565.70 : 186,848.55 = 102,695.70 : x - Step 2: Convert to fraction form
124,565.70/186,848.55 = 102,695.70/x - Step 3: Cross multiply
124,565.70x = 186,848.55 × 102,695.70 - Step 4: Simplify right side
124,565.70x = 19,188,542,636.24 - Step 5: Solve for x
x = 19,188,542,636.24/124,565.70 - Step 6: Final answer
x = 154,043.55
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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.