Finding the Fourth Proportional to 134,828.10, 202,315.05 and 59,959.80
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Solution
The fourth proportional to 134,828.10, 202,315.05 and 59,959.80 is: 89,972.12
Step by Step Solution
- Step 1: Write the proportion equation
134,828.10 : 202,315.05 = 59,959.80 : x - Step 2: Convert to fraction form
134,828.10/202,315.05 = 59,959.80/x - Step 3: Cross multiply
134,828.10x = 202,315.05 × 59,959.80 - Step 4: Simplify right side
134,828.10x = 12,130,769,934.99 - Step 5: Solve for x
x = 12,130,769,934.99/134,828.10 - Step 6: Final answer
x = 89,972.12
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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.