Home / 149,928.75-224,893.16-39,120.75

Finding the Fourth Proportional to 149,928.75, 224,893.16 and 39,120.75

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Solution

The fourth proportional to 149,928.75, 224,893.16 and 39,120.75 is: 58,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,928.75 : 224,893.16 = 39,120.75 : x
  2. Step 2: Convert to fraction form
    149,928.75/224,893.16 = 39,120.75/x
  3. Step 3: Cross multiply
    149,928.75x = 224,893.16 × 39,120.75
  4. Step 4: Simplify right side
    149,928.75x = 8,797,989,040.17
  5. Step 5: Solve for x
    x = 8,797,989,040.17/149,928.75
  6. Step 6: Final answer
    x = 58,681.13

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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.