Finding the Fourth Proportional to 130,508.68, 180,094.96 and 73,918.84
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Solution
The fourth proportional to 130,508.68, 180,094.96 and 73,918.84 is: 102,004.02
Step by Step Solution
- Step 1: Write the proportion equation
130,508.68 : 180,094.96 = 73,918.84 : x - Step 2: Convert to fraction form
130,508.68/180,094.96 = 73,918.84/x - Step 3: Cross multiply
130,508.68x = 180,094.96 × 73,918.84 - Step 4: Simplify right side
130,508.68x = 13,312,410,533.05 - Step 5: Solve for x
x = 13,312,410,533.05/130,508.68 - Step 6: Final answer
x = 102,004.02
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1.5x scale
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.