Finding the Fourth Proportional to 102,595.84, 153,488.80 and 77,707.68
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Solution
The fourth proportional to 102,595.84, 153,488.80 and 77,707.68 is: 116,254.80
Step by Step Solution
- Step 1: Write the proportion equation
102,595.84 : 153,488.80 = 77,707.68 : x - Step 2: Convert to fraction form
102,595.84/153,488.80 = 77,707.68/x - Step 3: Cross multiply
102,595.84x = 153,488.80 × 77,707.68 - Step 4: Simplify right side
102,595.84x = 11,927,258,553.98 - Step 5: Solve for x
x = 11,927,258,553.98/102,595.84 - Step 6: Final answer
x = 116,254.80
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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.