Home / 149,820.80-224,731.20-39,012.80

Finding the Fourth Proportional to 149,820.80, 224,731.20 and 39,012.80

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Solution

The fourth proportional to 149,820.80, 224,731.20 and 39,012.80 is: 58,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,820.80 : 224,731.20 = 39,012.80 : x
  2. Step 2: Convert to fraction form
    149,820.80/224,731.20 = 39,012.80/x
  3. Step 3: Cross multiply
    149,820.80x = 224,731.20 × 39,012.80
  4. Step 4: Simplify right side
    149,820.80x = 8,767,393,359.36
  5. Step 5: Solve for x
    x = 8,767,393,359.36/149,820.80
  6. Step 6: Final answer
    x = 58,519.20

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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.