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Finding the Fourth Proportional to 146,424.88, 201,915.48 and 125,274.16

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Solution

The fourth proportional to 146,424.88, 201,915.48 and 125,274.16 is: 172,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,424.88 : 201,915.48 = 125,274.16 : x
  2. Step 2: Convert to fraction form
    146,424.88/201,915.48 = 125,274.16/x
  3. Step 3: Cross multiply
    146,424.88x = 201,915.48 × 125,274.16
  4. Step 4: Simplify right side
    146,424.88x = 25,294,792,148.00
  5. Step 5: Solve for x
    x = 25,294,792,148.00/146,424.88
  6. Step 6: Final answer
    x = 172,749.28

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1.5x scale

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.