Finding the Fourth Proportional to 120,159.63, 165,643.47 and 94,584.06
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Solution
The fourth proportional to 120,159.63, 165,643.47 and 94,584.06 is: 130,386.82
Step by Step Solution
- Step 1: Write the proportion equation
120,159.63 : 165,643.47 = 94,584.06 : x - Step 2: Convert to fraction form
120,159.63/165,643.47 = 94,584.06/x - Step 3: Cross multiply
120,159.63x = 165,643.47 × 94,584.06 - Step 4: Simplify right side
120,159.63x = 15,667,231,905.09 - Step 5: Solve for x
x = 15,667,231,905.09/120,159.63 - Step 6: Final answer
x = 130,386.82
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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.