Finding the Fourth Proportional to 134,953.40, 202,430.10 and 124,815.80
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Solution
The fourth proportional to 134,953.40, 202,430.10 and 124,815.80 is: 187,223.70
Step by Step Solution
- Step 1: Write the proportion equation
134,953.40 : 202,430.10 = 124,815.80 : x - Step 2: Convert to fraction form
134,953.40/202,430.10 = 124,815.80/x - Step 3: Cross multiply
134,953.40x = 202,430.10 × 124,815.80 - Step 4: Simplify right side
134,953.40x = 25,266,474,875.58 - Step 5: Solve for x
x = 25,266,474,875.58/134,953.40 - Step 6: Final answer
x = 187,223.70
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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.