Finding the Fourth Proportional to 144,089.19, 216,133.79 and 73,923.75
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Solution
The fourth proportional to 144,089.19, 216,133.79 and 73,923.75 is: 110,885.63
Step by Step Solution
- Step 1: Write the proportion equation
144,089.19 : 216,133.79 = 73,923.75 : x - Step 2: Convert to fraction form
144,089.19/216,133.79 = 73,923.75/x - Step 3: Cross multiply
144,089.19x = 216,133.79 × 73,923.75 - Step 4: Simplify right side
144,089.19x = 15,977,420,798.85 - Step 5: Solve for x
x = 15,977,420,798.85/144,089.19 - Step 6: Final answer
x = 110,885.63
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1.5x scale
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.