Home / 147,996.60-221,849.10-73,128.30

Finding the Fourth Proportional to 147,996.60, 221,849.10 and 73,128.30

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Solution

The fourth proportional to 147,996.60, 221,849.10 and 73,128.30 is: 109,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,996.60 : 221,849.10 = 73,128.30 : x
  2. Step 2: Convert to fraction form
    147,996.60/221,849.10 = 73,128.30/x
  3. Step 3: Cross multiply
    147,996.60x = 221,849.10 × 73,128.30
  4. Step 4: Simplify right side
    147,996.60x = 16,223,447,539.53
  5. Step 5: Solve for x
    x = 16,223,447,539.53/147,996.60
  6. Step 6: Final answer
    x = 109,620.41

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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.