Home / 149,828.40-224,742.60-39,020.40

Finding the Fourth Proportional to 149,828.40, 224,742.60 and 39,020.40

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Solution

The fourth proportional to 149,828.40, 224,742.60 and 39,020.40 is: 58,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,828.40 : 224,742.60 = 39,020.40 : x
  2. Step 2: Convert to fraction form
    149,828.40/224,742.60 = 39,020.40/x
  3. Step 3: Cross multiply
    149,828.40x = 224,742.60 × 39,020.40
  4. Step 4: Simplify right side
    149,828.40x = 8,769,546,149.04
  5. Step 5: Solve for x
    x = 8,769,546,149.04/149,828.40
  6. Step 6: Final answer
    x = 58,530.60

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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.