Finding the Fourth Proportional to 134,032.70, 201,202.65 and 78,659.90
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Solution
The fourth proportional to 134,032.70, 201,202.65 and 78,659.90 is: 118,079.99
Step by Step Solution
- Step 1: Write the proportion equation
134,032.70 : 201,202.65 = 78,659.90 : x - Step 2: Convert to fraction form
134,032.70/201,202.65 = 78,659.90/x - Step 3: Cross multiply
134,032.70x = 201,202.65 × 78,659.90 - Step 4: Simplify right side
134,032.70x = 15,826,580,328.74 - Step 5: Solve for x
x = 15,826,580,328.74/134,032.70 - Step 6: Final answer
x = 118,079.99
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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.