Home / 149,378.40-224,074.08-69,491.34

Finding the Fourth Proportional to 149,378.40, 224,074.08 and 69,491.34

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Solution

The fourth proportional to 149,378.40, 224,074.08 and 69,491.34 is: 104,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,378.40 : 224,074.08 = 69,491.34 : x
  2. Step 2: Convert to fraction form
    149,378.40/224,074.08 = 69,491.34/x
  3. Step 3: Cross multiply
    149,378.40x = 224,074.08 × 69,491.34
  4. Step 4: Simplify right side
    149,378.40x = 15,571,208,078.47
  5. Step 5: Solve for x
    x = 15,571,208,078.47/149,378.40
  6. Step 6: Final answer
    x = 104,240.02

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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.