Finding the Fourth Proportional to 126,359.19, 174,312.68 and 75,335.94
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Solution
The fourth proportional to 126,359.19, 174,312.68 and 75,335.94 is: 103,926.03
Step by Step Solution
- Step 1: Write the proportion equation
126,359.19 : 174,312.68 = 75,335.94 : x - Step 2: Convert to fraction form
126,359.19/174,312.68 = 75,335.94/x - Step 3: Cross multiply
126,359.19x = 174,312.68 × 75,335.94 - Step 4: Simplify right side
126,359.19x = 13,132,009,225.04 - Step 5: Solve for x
x = 13,132,009,225.04/126,359.19 - Step 6: Final answer
x = 103,926.03
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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.