Finding the Fourth Proportional to 172,220.14, 237,656.36 and 95,739.06
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Solution
The fourth proportional to 172,220.14, 237,656.36 and 95,739.06 is: 132,115.77
Step by Step Solution
- Step 1: Write the proportion equation
172,220.14 : 237,656.36 = 95,739.06 : x - Step 2: Convert to fraction form
172,220.14/237,656.36 = 95,739.06/x - Step 3: Cross multiply
172,220.14x = 237,656.36 × 95,739.06 - Step 4: Simplify right side
172,220.14x = 22,752,996,509.42 - Step 5: Solve for x
x = 22,752,996,509.42/172,220.14 - Step 6: Final answer
x = 132,115.77
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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.