Finding the Fourth Proportional to 124,565.84, 186,848.76 and 99,763.64
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Solution
The fourth proportional to 124,565.84, 186,848.76 and 99,763.64 is: 149,645.46
Step by Step Solution
- Step 1: Write the proportion equation
124,565.84 : 186,848.76 = 99,763.64 : x - Step 2: Convert to fraction form
124,565.84/186,848.76 = 99,763.64/x - Step 3: Cross multiply
124,565.84x = 186,848.76 × 99,763.64 - Step 4: Simplify right side
124,565.84x = 18,640,712,427.09 - Step 5: Solve for x
x = 18,640,712,427.09/124,565.84 - Step 6: Final answer
x = 149,645.46
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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.