Home / 147,414.40-221,121.60-94,270.30

Finding the Fourth Proportional to 147,414.40, 221,121.60 and 94,270.30

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Solution

The fourth proportional to 147,414.40, 221,121.60 and 94,270.30 is: 141,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,414.40 : 221,121.60 = 94,270.30 : x
  2. Step 2: Convert to fraction form
    147,414.40/221,121.60 = 94,270.30/x
  3. Step 3: Cross multiply
    147,414.40x = 221,121.60 × 94,270.30
  4. Step 4: Simplify right side
    147,414.40x = 20,845,199,568.48
  5. Step 5: Solve for x
    x = 20,845,199,568.48/147,414.40
  6. Step 6: Final answer
    x = 141,405.45

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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.