Finding the Fourth Proportional to 122,270.79, 168,693.35 and 73,854.63
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Solution
The fourth proportional to 122,270.79, 168,693.35 and 73,854.63 is: 101,895.02
Step by Step Solution
- Step 1: Write the proportion equation
122,270.79 : 168,693.35 = 73,854.63 : x - Step 2: Convert to fraction form
122,270.79/168,693.35 = 73,854.63/x - Step 3: Cross multiply
122,270.79x = 168,693.35 × 73,854.63 - Step 4: Simplify right side
122,270.79x = 12,458,784,947.71 - Step 5: Solve for x
x = 12,458,784,947.71/122,270.79 - Step 6: Final answer
x = 101,895.02
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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.