Finding the Fourth Proportional to 121,027.14, 167,014.47 and 70,032.79
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Solution
The fourth proportional to 121,027.14, 167,014.47 and 70,032.79 is: 96,643.52
Step by Step Solution
- Step 1: Write the proportion equation
121,027.14 : 167,014.47 = 70,032.79 : x - Step 2: Convert to fraction form
121,027.14/167,014.47 = 70,032.79/x - Step 3: Cross multiply
121,027.14x = 167,014.47 × 70,032.79 - Step 4: Simplify right side
121,027.14x = 11,696,488,886.94 - Step 5: Solve for x
x = 11,696,488,886.94/121,027.14 - Step 6: Final answer
x = 96,643.52
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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.