Finding the Fourth Proportional to 146,031.36, 201,484.98 and 85,569.54
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Solution
The fourth proportional to 146,031.36, 201,484.98 and 85,569.54 is: 118,063.52
Step by Step Solution
- Step 1: Write the proportion equation
146,031.36 : 201,484.98 = 85,569.54 : x - Step 2: Convert to fraction form
146,031.36/201,484.98 = 85,569.54/x - Step 3: Cross multiply
146,031.36x = 201,484.98 × 85,569.54 - Step 4: Simplify right side
146,031.36x = 17,240,977,055.51 - Step 5: Solve for x
x = 17,240,977,055.51/146,031.36 - Step 6: Final answer
x = 118,063.52
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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.