Finding the Fourth Proportional to 119,871.84, 179,752.14 and 69,966.30
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Solution
The fourth proportional to 119,871.84, 179,752.14 and 69,966.30 is: 104,916.99
Step by Step Solution
- Step 1: Write the proportion equation
119,871.84 : 179,752.14 = 69,966.30 : x - Step 2: Convert to fraction form
119,871.84/179,752.14 = 69,966.30/x - Step 3: Cross multiply
119,871.84x = 179,752.14 × 69,966.30 - Step 4: Simplify right side
119,871.84x = 12,576,592,152.88 - Step 5: Solve for x
x = 12,576,592,152.88/119,871.84 - Step 6: Final answer
x = 104,916.99
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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.