Finding the Fourth Proportional to 101,210.58, 138,657.85 and 97,425.70
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Solution
The fourth proportional to 101,210.58, 138,657.85 and 97,425.70 is: 133,472.59
Step by Step Solution
- Step 1: Write the proportion equation
101,210.58 : 138,657.85 = 97,425.70 : x - Step 2: Convert to fraction form
101,210.58/138,657.85 = 97,425.70/x - Step 3: Cross multiply
101,210.58x = 138,657.85 × 97,425.70 - Step 4: Simplify right side
101,210.58x = 13,508,838,096.75 - Step 5: Solve for x
x = 13,508,838,096.75/101,210.58 - Step 6: Final answer
x = 133,472.59
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.