Finding the Fourth Proportional to 133,140.28, 183,726.06 and 79,485.88
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Solution
The fourth proportional to 133,140.28, 183,726.06 and 79,485.88 is: 109,686.02
Step by Step Solution
- Step 1: Write the proportion equation
133,140.28 : 183,726.06 = 79,485.88 : x - Step 2: Convert to fraction form
133,140.28/183,726.06 = 79,485.88/x - Step 3: Cross multiply
133,140.28x = 183,726.06 × 79,485.88 - Step 4: Simplify right side
133,140.28x = 14,603,627,558.03 - Step 5: Solve for x
x = 14,603,627,558.03/133,140.28 - Step 6: Final answer
x = 109,686.02
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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.