Finding the Fourth Proportional to 130,913.76, 180,649.91 and 73,548.59
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Solution
The fourth proportional to 130,913.76, 180,649.91 and 73,548.59 is: 101,490.82
Step by Step Solution
- Step 1: Write the proportion equation
130,913.76 : 180,649.91 = 73,548.59 : x - Step 2: Convert to fraction form
130,913.76/180,649.91 = 73,548.59/x - Step 3: Cross multiply
130,913.76x = 180,649.91 × 73,548.59 - Step 4: Simplify right side
130,913.76x = 13,286,544,893.13 - Step 5: Solve for x
x = 13,286,544,893.13/130,913.76 - Step 6: Final answer
x = 101,490.82
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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.