Home / 133,389.21-200,043.47-70,174.49

Finding the Fourth Proportional to 133,389.21, 200,043.47 and 70,174.49

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Solution

The fourth proportional to 133,389.21, 200,043.47 and 70,174.49 is: 105,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,389.21 : 200,043.47 = 70,174.49 : x
  2. Step 2: Convert to fraction form
    133,389.21/200,043.47 = 70,174.49/x
  3. Step 3: Cross multiply
    133,389.21x = 200,043.47 × 70,174.49
  4. Step 4: Simplify right side
    133,389.21x = 14,037,947,660.30
  5. Step 5: Solve for x
    x = 14,037,947,660.30/133,389.21
  6. Step 6: Final answer
    x = 105,240.50

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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.