Finding the Fourth Proportional to 134,465.10, 201,697.65 and 84,698.70
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Solution
The fourth proportional to 134,465.10, 201,697.65 and 84,698.70 is: 127,048.05
Step by Step Solution
- Step 1: Write the proportion equation
134,465.10 : 201,697.65 = 84,698.70 : x - Step 2: Convert to fraction form
134,465.10/201,697.65 = 84,698.70/x - Step 3: Cross multiply
134,465.10x = 201,697.65 × 84,698.70 - Step 4: Simplify right side
134,465.10x = 17,083,528,748.06 - Step 5: Solve for x
x = 17,083,528,748.06/134,465.10 - Step 6: Final answer
x = 127,048.05
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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.