Home / 149,340.12-224,016.72-69,453.12

Finding the Fourth Proportional to 149,340.12, 224,016.72 and 69,453.12

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Solution

The fourth proportional to 149,340.12, 224,016.72 and 69,453.12 is: 104,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,340.12 : 224,016.72 = 69,453.12 : x
  2. Step 2: Convert to fraction form
    149,340.12/224,016.72 = 69,453.12/x
  3. Step 3: Cross multiply
    149,340.12x = 224,016.72 × 69,453.12
  4. Step 4: Simplify right side
    149,340.12x = 15,558,660,136.17
  5. Step 5: Solve for x
    x = 15,558,660,136.17/149,340.12
  6. Step 6: Final answer
    x = 104,182.72

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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.