Home / 149,323.20-223,984.80-38,515.20

Finding the Fourth Proportional to 149,323.20, 223,984.80 and 38,515.20

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Solution

The fourth proportional to 149,323.20, 223,984.80 and 38,515.20 is: 57,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,323.20 : 223,984.80 = 38,515.20 : x
  2. Step 2: Convert to fraction form
    149,323.20/223,984.80 = 38,515.20/x
  3. Step 3: Cross multiply
    149,323.20x = 223,984.80 × 38,515.20
  4. Step 4: Simplify right side
    149,323.20x = 8,626,819,368.96
  5. Step 5: Solve for x
    x = 8,626,819,368.96/149,323.20
  6. Step 6: Final answer
    x = 57,772.80

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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.