Finding the Fourth Proportional to 134,535.68, 185,660.52 and 74,106.58
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Solution
The fourth proportional to 134,535.68, 185,660.52 and 74,106.58 is: 102,267.79
Step by Step Solution
- Step 1: Write the proportion equation
134,535.68 : 185,660.52 = 74,106.58 : x - Step 2: Convert to fraction form
134,535.68/185,660.52 = 74,106.58/x - Step 3: Cross multiply
134,535.68x = 185,660.52 × 74,106.58 - Step 4: Simplify right side
134,535.68x = 13,758,666,178.22 - Step 5: Solve for x
x = 13,758,666,178.22/134,535.68 - Step 6: Final answer
x = 102,267.79
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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.