Finding the Fourth Proportional to 107,143.75, 160,746.99 and 47,966.23
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Solution
The fourth proportional to 107,143.75, 160,746.99 and 47,966.23 is: 71,963.39
Step by Step Solution
- Step 1: Write the proportion equation
107,143.75 : 160,746.99 = 47,966.23 : x - Step 2: Convert to fraction form
107,143.75/160,746.99 = 47,966.23/x - Step 3: Cross multiply
107,143.75x = 160,746.99 × 47,966.23 - Step 4: Simplify right side
107,143.75x = 7,710,427,094.15 - Step 5: Solve for x
x = 7,710,427,094.15/107,143.75 - Step 6: Final answer
x = 71,963.39
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1.5x scale
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.