Finding the Fourth Proportional to 134,603.10, 201,904.65 and 92,612.70
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Solution
The fourth proportional to 134,603.10, 201,904.65 and 92,612.70 is: 138,919.05
Step by Step Solution
- Step 1: Write the proportion equation
134,603.10 : 201,904.65 = 92,612.70 : x - Step 2: Convert to fraction form
134,603.10/201,904.65 = 92,612.70/x - Step 3: Cross multiply
134,603.10x = 201,904.65 × 92,612.70 - Step 4: Simplify right side
134,603.10x = 18,698,934,779.06 - Step 5: Solve for x
x = 18,698,934,779.06/134,603.10 - Step 6: Final answer
x = 138,919.05
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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.