Finding the Fourth Proportional to 124,130.87, 186,050.50 and 57,430.10
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Solution
The fourth proportional to 124,130.87, 186,050.50 and 57,430.10 is: 86,077.70
Step by Step Solution
- Step 1: Write the proportion equation
124,130.87 : 186,050.50 = 57,430.10 : x - Step 2: Convert to fraction form
124,130.87/186,050.50 = 57,430.10/x - Step 3: Cross multiply
124,130.87x = 186,050.50 × 57,430.10 - Step 4: Simplify right side
124,130.87x = 10,684,899,464.65 - Step 5: Solve for x
x = 10,684,899,464.65/124,130.87 - Step 6: Final answer
x = 86,077.70
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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.