Home / 133,029.58-183,585.11-75,667.42

Finding the Fourth Proportional to 133,029.58, 183,585.11 and 75,667.42

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Solution

The fourth proportional to 133,029.58, 183,585.11 and 75,667.42 is: 104,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.58 : 183,585.11 = 75,667.42 : x
  2. Step 2: Convert to fraction form
    133,029.58/183,585.11 = 75,667.42/x
  3. Step 3: Cross multiply
    133,029.58x = 183,585.11 × 75,667.42
  4. Step 4: Simplify right side
    133,029.58x = 13,891,410,786.82
  5. Step 5: Solve for x
    x = 13,891,410,786.82/133,029.58
  6. Step 6: Final answer
    x = 104,423.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.