Home / 103,972.20-155,958.30-101,056.20

Finding the Fourth Proportional to 103,972.20, 155,958.30 and 101,056.20

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Solution

The fourth proportional to 103,972.20, 155,958.30 and 101,056.20 is: 151,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,972.20 : 155,958.30 = 101,056.20 : x
  2. Step 2: Convert to fraction form
    103,972.20/155,958.30 = 101,056.20/x
  3. Step 3: Cross multiply
    103,972.20x = 155,958.30 × 101,056.20
  4. Step 4: Simplify right side
    103,972.20x = 15,760,553,156.46
  5. Step 5: Solve for x
    x = 15,760,553,156.46/103,972.20
  6. Step 6: Final answer
    x = 151,584.30

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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.