Home / 136,533.13-204,890.78-47,786.64

Finding the Fourth Proportional to 136,533.13, 204,890.78 and 47,786.64

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Solution

The fourth proportional to 136,533.13, 204,890.78 and 47,786.64 is: 71,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,533.13 : 204,890.78 = 47,786.64 : x
  2. Step 2: Convert to fraction form
    136,533.13/204,890.78 = 47,786.64/x
  3. Step 3: Cross multiply
    136,533.13x = 204,890.78 × 47,786.64
  4. Step 4: Simplify right side
    136,533.13x = 9,791,041,294.31
  5. Step 5: Solve for x
    x = 9,791,041,294.31/136,533.13
  6. Step 6: Final answer
    x = 71,711.84

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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.