Finding the Fourth Proportional to 134,624.76, 185,813.84 and 83,675.98
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Solution
The fourth proportional to 134,624.76, 185,813.84 and 83,675.98 is: 115,492.54
Step by Step Solution
- Step 1: Write the proportion equation
134,624.76 : 185,813.84 = 83,675.98 : x - Step 2: Convert to fraction form
134,624.76/185,813.84 = 83,675.98/x - Step 3: Cross multiply
134,624.76x = 185,813.84 × 83,675.98 - Step 4: Simplify right side
134,624.76x = 15,548,155,159.56 - Step 5: Solve for x
x = 15,548,155,159.56/134,624.76 - Step 6: Final answer
x = 115,492.54
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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.