Home / 136,231.20-204,346.80-47,455.20

Finding the Fourth Proportional to 136,231.20, 204,346.80 and 47,455.20

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Solution

The fourth proportional to 136,231.20, 204,346.80 and 47,455.20 is: 71,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,231.20 : 204,346.80 = 47,455.20 : x
  2. Step 2: Convert to fraction form
    136,231.20/204,346.80 = 47,455.20/x
  3. Step 3: Cross multiply
    136,231.20x = 204,346.80 × 47,455.20
  4. Step 4: Simplify right side
    136,231.20x = 9,697,318,263.36
  5. Step 5: Solve for x
    x = 9,697,318,263.36/136,231.20
  6. Step 6: Final answer
    x = 71,182.80

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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.