Finding the Fourth Proportional to 176,115.16, 243,013.14 and 100,649.08
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Solution
The fourth proportional to 176,115.16, 243,013.14 and 100,649.08 is: 138,881.00
Step by Step Solution
- Step 1: Write the proportion equation
176,115.16 : 243,013.14 = 100,649.08 : x - Step 2: Convert to fraction form
176,115.16/243,013.14 = 100,649.08/x - Step 3: Cross multiply
176,115.16x = 243,013.14 × 100,649.08 - Step 4: Simplify right side
176,115.16x = 24,459,048,968.91 - Step 5: Solve for x
x = 24,459,048,968.91/176,115.16 - Step 6: Final answer
x = 138,881.00
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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.