Finding the Fourth Proportional to 134,077.90, 201,116.85 and 86,838.70
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Solution
The fourth proportional to 134,077.90, 201,116.85 and 86,838.70 is: 130,258.05
Step by Step Solution
- Step 1: Write the proportion equation
134,077.90 : 201,116.85 = 86,838.70 : x - Step 2: Convert to fraction form
134,077.90/201,116.85 = 86,838.70/x - Step 3: Cross multiply
134,077.90x = 201,116.85 × 86,838.70 - Step 4: Simplify right side
134,077.90x = 17,464,725,802.10 - Step 5: Solve for x
x = 17,464,725,802.10/134,077.90 - Step 6: Final answer
x = 130,258.05
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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.