Home / 146,031.28-201,525.78-85,645.46

Finding the Fourth Proportional to 146,031.28, 201,525.78 and 85,645.46

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Solution

The fourth proportional to 146,031.28, 201,525.78 and 85,645.46 is: 118,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,031.28 : 201,525.78 = 85,645.46 : x
  2. Step 2: Convert to fraction form
    146,031.28/201,525.78 = 85,645.46/x
  3. Step 3: Cross multiply
    146,031.28x = 201,525.78 × 85,645.46
  4. Step 4: Simplify right side
    146,031.28x = 17,259,768,129.96
  5. Step 5: Solve for x
    x = 17,259,768,129.96/146,031.28
  6. Step 6: Final answer
    x = 118,192.27

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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.