Finding the Fourth Proportional to 125,358.11, 187,860.35 and 69,223.49
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Solution
The fourth proportional to 125,358.11, 187,860.35 and 69,223.49 is: 103,737.59
Step by Step Solution
- Step 1: Write the proportion equation
125,358.11 : 187,860.35 = 69,223.49 : x - Step 2: Convert to fraction form
125,358.11/187,860.35 = 69,223.49/x - Step 3: Cross multiply
125,358.11x = 187,860.35 × 69,223.49 - Step 4: Simplify right side
125,358.11x = 13,004,347,774.20 - Step 5: Solve for x
x = 13,004,347,774.20/125,358.11 - Step 6: Final answer
x = 103,737.59
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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.