Finding the Fourth Proportional to 122,937.84, 184,019.58 and 84,763.80
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Solution
The fourth proportional to 122,937.84, 184,019.58 and 84,763.80 is: 126,878.75
Step by Step Solution
- Step 1: Write the proportion equation
122,937.84 : 184,019.58 = 84,763.80 : x - Step 2: Convert to fraction form
122,937.84/184,019.58 = 84,763.80/x - Step 3: Cross multiply
122,937.84x = 184,019.58 × 84,763.80 - Step 4: Simplify right side
122,937.84x = 15,598,198,875.20 - Step 5: Solve for x
x = 15,598,198,875.20/122,937.84 - Step 6: Final answer
x = 126,878.75
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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.