Home / 149,167.20-223,405.20-102,165.60

Finding the Fourth Proportional to 149,167.20, 223,405.20 and 102,165.60

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Solution

The fourth proportional to 149,167.20, 223,405.20 and 102,165.60 is: 153,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,167.20 : 223,405.20 = 102,165.60 : x
  2. Step 2: Convert to fraction form
    149,167.20/223,405.20 = 102,165.60/x
  3. Step 3: Cross multiply
    149,167.20x = 223,405.20 × 102,165.60
  4. Step 4: Simplify right side
    149,167.20x = 22,824,326,301.12
  5. Step 5: Solve for x
    x = 22,824,326,301.12/149,167.20
  6. Step 6: Final answer
    x = 153,011.70

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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.