Home / 103,439.30-155,202.15-33,340.10

Finding the Fourth Proportional to 103,439.30, 155,202.15 and 33,340.10

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Solution

The fourth proportional to 103,439.30, 155,202.15 and 33,340.10 is: 50,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,439.30 : 155,202.15 = 33,340.10 : x
  2. Step 2: Convert to fraction form
    103,439.30/155,202.15 = 33,340.10/x
  3. Step 3: Cross multiply
    103,439.30x = 155,202.15 × 33,340.10
  4. Step 4: Simplify right side
    103,439.30x = 5,174,455,201.22
  5. Step 5: Solve for x
    x = 5,174,455,201.22/103,439.30
  6. Step 6: Final answer
    x = 50,024.07

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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.