Finding the Fourth Proportional to 130,794.76, 180,551.58 and 88,410.70
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Solution
The fourth proportional to 130,794.76, 180,551.58 and 88,410.70 is: 122,043.82
Step by Step Solution
- Step 1: Write the proportion equation
130,794.76 : 180,551.58 = 88,410.70 : x - Step 2: Convert to fraction form
130,794.76/180,551.58 = 88,410.70/x - Step 3: Cross multiply
130,794.76x = 180,551.58 × 88,410.70 - Step 4: Simplify right side
130,794.76x = 15,962,691,573.91 - Step 5: Solve for x
x = 15,962,691,573.91/130,794.76 - Step 6: Final answer
x = 122,043.82
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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.