Finding the Fourth Proportional to 134,777.70, 202,166.55 and 72,569.70
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Solution
The fourth proportional to 134,777.70, 202,166.55 and 72,569.70 is: 108,854.55
Step by Step Solution
- Step 1: Write the proportion equation
134,777.70 : 202,166.55 = 72,569.70 : x - Step 2: Convert to fraction form
134,777.70/202,166.55 = 72,569.70/x - Step 3: Cross multiply
134,777.70x = 202,166.55 × 72,569.70 - Step 4: Simplify right side
134,777.70x = 14,671,165,883.54 - Step 5: Solve for x
x = 14,671,165,883.54/134,777.70 - Step 6: Final answer
x = 108,854.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.