Home / 147,754.80-221,632.20-100,515.60

Finding the Fourth Proportional to 147,754.80, 221,632.20 and 100,515.60

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Solution

The fourth proportional to 147,754.80, 221,632.20 and 100,515.60 is: 150,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,754.80 : 221,632.20 = 100,515.60 : x
  2. Step 2: Convert to fraction form
    147,754.80/221,632.20 = 100,515.60/x
  3. Step 3: Cross multiply
    147,754.80x = 221,632.20 × 100,515.60
  4. Step 4: Simplify right side
    147,754.80x = 22,277,493,562.32
  5. Step 5: Solve for x
    x = 22,277,493,562.32/147,754.80
  6. Step 6: Final answer
    x = 150,773.40

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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.