Home / 149,821.80-224,732.70-135,076.20

Finding the Fourth Proportional to 149,821.80, 224,732.70 and 135,076.20

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Solution

The fourth proportional to 149,821.80, 224,732.70 and 135,076.20 is: 202,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,821.80 : 224,732.70 = 135,076.20 : x
  2. Step 2: Convert to fraction form
    149,821.80/224,732.70 = 135,076.20/x
  3. Step 3: Cross multiply
    149,821.80x = 224,732.70 × 135,076.20
  4. Step 4: Simplify right side
    149,821.80x = 30,356,039,131.74
  5. Step 5: Solve for x
    x = 30,356,039,131.74/149,821.80
  6. Step 6: Final answer
    x = 202,614.30

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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.