Finding the Fourth Proportional to 133,055.68, 183,612.27 and 79,312.99
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Solution
The fourth proportional to 133,055.68, 183,612.27 and 79,312.99 is: 109,449.20
Step by Step Solution
- Step 1: Write the proportion equation
133,055.68 : 183,612.27 = 79,312.99 : x - Step 2: Convert to fraction form
133,055.68/183,612.27 = 79,312.99/x - Step 3: Cross multiply
133,055.68x = 183,612.27 × 79,312.99 - Step 4: Simplify right side
133,055.68x = 14,562,838,134.39 - Step 5: Solve for x
x = 14,562,838,134.39/133,055.68 - Step 6: Final answer
x = 109,449.20
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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.