Finding the Fourth Proportional to 124,319.54, 171,560.99 and 67,730.92
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Solution
The fourth proportional to 124,319.54, 171,560.99 and 67,730.92 is: 93,468.68
Step by Step Solution
- Step 1: Write the proportion equation
124,319.54 : 171,560.99 = 67,730.92 : x - Step 2: Convert to fraction form
124,319.54/171,560.99 = 67,730.92/x - Step 3: Cross multiply
124,319.54x = 171,560.99 × 67,730.92 - Step 4: Simplify right side
124,319.54x = 11,619,983,048.25 - Step 5: Solve for x
x = 11,619,983,048.25/124,319.54 - Step 6: Final answer
x = 93,468.68
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1.5x scale
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.