Finding the Fourth Proportional to 125,023.70, 187,541.58 and 40,783.70
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Solution
The fourth proportional to 125,023.70, 187,541.58 and 40,783.70 is: 61,177.51
Step by Step Solution
- Step 1: Write the proportion equation
125,023.70 : 187,541.58 = 40,783.70 : x - Step 2: Convert to fraction form
125,023.70/187,541.58 = 40,783.70/x - Step 3: Cross multiply
125,023.70x = 187,541.58 × 40,783.70 - Step 4: Simplify right side
125,023.70x = 7,648,638,598.54 - Step 5: Solve for x
x = 7,648,638,598.54/125,023.70 - Step 6: Final answer
x = 61,177.51
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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.