Finding the Fourth Proportional to 159,987.48, 239,620.35 and 124,162.59
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Solution
The fourth proportional to 159,987.48, 239,620.35 and 124,162.59 is: 185,963.82
Step by Step Solution
- Step 1: Write the proportion equation
159,987.48 : 239,620.35 = 124,162.59 : x - Step 2: Convert to fraction form
159,987.48/239,620.35 = 124,162.59/x - Step 3: Cross multiply
159,987.48x = 239,620.35 × 124,162.59 - Step 4: Simplify right side
159,987.48x = 29,751,883,272.71 - Step 5: Solve for x
x = 29,751,883,272.71/159,987.48 - Step 6: Final answer
x = 185,963.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.