Finding the Fourth Proportional to 130,365.62, 179,904.58 and 70,749.62
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Solution
The fourth proportional to 130,365.62, 179,904.58 and 70,749.62 is: 97,634.49
Step by Step Solution
- Step 1: Write the proportion equation
130,365.62 : 179,904.58 = 70,749.62 : x - Step 2: Convert to fraction form
130,365.62/179,904.58 = 70,749.62/x - Step 3: Cross multiply
130,365.62x = 179,904.58 × 70,749.62 - Step 4: Simplify right side
130,365.62x = 12,728,180,671.26 - Step 5: Solve for x
x = 12,728,180,671.26/130,365.62 - Step 6: Final answer
x = 97,634.49
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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.