Finding the Fourth Proportional to 134,469.24, 185,565.99 and 74,038.65
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Solution
The fourth proportional to 134,469.24, 185,565.99 and 74,038.65 is: 102,172.48
Step by Step Solution
- Step 1: Write the proportion equation
134,469.24 : 185,565.99 = 74,038.65 : x - Step 2: Convert to fraction form
134,469.24/185,565.99 = 74,038.65/x - Step 3: Cross multiply
134,469.24x = 185,565.99 × 74,038.65 - Step 4: Simplify right side
134,469.24x = 13,739,055,385.51 - Step 5: Solve for x
x = 13,739,055,385.51/134,469.24 - Step 6: Final answer
x = 102,172.48
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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.