Finding the Fourth Proportional to 124,233.30, 186,130.35 and 120,122.10
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Solution
The fourth proportional to 124,233.30, 186,130.35 and 120,122.10 is: 179,970.82
Step by Step Solution
- Step 1: Write the proportion equation
124,233.30 : 186,130.35 = 120,122.10 : x - Step 2: Convert to fraction form
124,233.30/186,130.35 = 120,122.10/x - Step 3: Cross multiply
124,233.30x = 186,130.35 × 120,122.10 - Step 4: Simplify right side
124,233.30x = 22,358,368,515.74 - Step 5: Solve for x
x = 22,358,368,515.74/124,233.30 - Step 6: Final answer
x = 179,970.82
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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.