Finding the Fourth Proportional to 134,809.40, 202,214.10 and 124,671.80
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Solution
The fourth proportional to 134,809.40, 202,214.10 and 124,671.80 is: 187,007.70
Step by Step Solution
- Step 1: Write the proportion equation
134,809.40 : 202,214.10 = 124,671.80 : x - Step 2: Convert to fraction form
134,809.40/202,214.10 = 124,671.80/x - Step 3: Cross multiply
134,809.40x = 202,214.10 × 124,671.80 - Step 4: Simplify right side
134,809.40x = 25,210,395,832.38 - Step 5: Solve for x
x = 25,210,395,832.38/134,809.40 - Step 6: Final answer
x = 187,007.70
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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.