Home / 147,396.64-221,040.56-52,601.46

Finding the Fourth Proportional to 147,396.64, 221,040.56 and 52,601.46

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Solution

The fourth proportional to 147,396.64, 221,040.56 and 52,601.46 is: 78,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,396.64 : 221,040.56 = 52,601.46 : x
  2. Step 2: Convert to fraction form
    147,396.64/221,040.56 = 52,601.46/x
  3. Step 3: Cross multiply
    147,396.64x = 221,040.56 × 52,601.46
  4. Step 4: Simplify right side
    147,396.64x = 11,627,056,175.22
  5. Step 5: Solve for x
    x = 11,627,056,175.22/147,396.64
  6. Step 6: Final answer
    x = 78,882.78

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1.5x scale

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.