Finding the Fourth Proportional to 172,106.10, 237,532.06 and 135,724.14
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Solution
The fourth proportional to 172,106.10, 237,532.06 and 135,724.14 is: 187,319.53
Step by Step Solution
- Step 1: Write the proportion equation
172,106.10 : 237,532.06 = 135,724.14 : x - Step 2: Convert to fraction form
172,106.10/237,532.06 = 135,724.14/x - Step 3: Cross multiply
172,106.10x = 237,532.06 × 135,724.14 - Step 4: Simplify right side
172,106.10x = 32,238,834,565.93 - Step 5: Solve for x
x = 32,238,834,565.93/172,106.10 - Step 6: Final answer
x = 187,319.53
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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.