Finding the Fourth Proportional to 133,437.57, 184,125.66 and 79,711.17
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Solution
The fourth proportional to 133,437.57, 184,125.66 and 79,711.17 is: 109,990.55
Step by Step Solution
- Step 1: Write the proportion equation
133,437.57 : 184,125.66 = 79,711.17 : x - Step 2: Convert to fraction form
133,437.57/184,125.66 = 79,711.17/x - Step 3: Cross multiply
133,437.57x = 184,125.66 × 79,711.17 - Step 4: Simplify right side
133,437.57x = 14,676,871,785.62 - Step 5: Solve for x
x = 14,676,871,785.62/133,437.57 - Step 6: Final answer
x = 109,990.55
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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.