Finding the Fourth Proportional to 133,424.04, 184,122.41 and 72,994.53
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Solution
The fourth proportional to 133,424.04, 184,122.41 and 72,994.53 is: 100,730.94
Step by Step Solution
- Step 1: Write the proportion equation
133,424.04 : 184,122.41 = 72,994.53 : x - Step 2: Convert to fraction form
133,424.04/184,122.41 = 72,994.53/x - Step 3: Cross multiply
133,424.04x = 184,122.41 × 72,994.53 - Step 4: Simplify right side
133,424.04x = 13,439,928,415.44 - Step 5: Solve for x
x = 13,439,928,415.44/133,424.04 - Step 6: Final answer
x = 100,730.94
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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.