Home / 149,501.45-224,416.20-82,907.30

Finding the Fourth Proportional to 149,501.45, 224,416.20 and 82,907.30

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Solution

The fourth proportional to 149,501.45, 224,416.20 and 82,907.30 is: 124,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,501.45 : 224,416.20 = 82,907.30 : x
  2. Step 2: Convert to fraction form
    149,501.45/224,416.20 = 82,907.30/x
  3. Step 3: Cross multiply
    149,501.45x = 224,416.20 × 82,907.30
  4. Step 4: Simplify right side
    149,501.45x = 18,605,741,218.26
  5. Step 5: Solve for x
    x = 18,605,741,218.26/149,501.45
  6. Step 6: Final answer
    x = 124,451.91

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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.