Home / 134,289.52-201,438.78-40,795

Finding the Fourth Proportional to 134,289.52, 201,438.78 and 40,795

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Solution

The fourth proportional to 134,289.52, 201,438.78 and 40,795 is: 61,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,289.52 : 201,438.78 = 40,795 : x
  2. Step 2: Convert to fraction form
    134,289.52/201,438.78 = 40,795/x
  3. Step 3: Cross multiply
    134,289.52x = 201,438.78 × 40,795
  4. Step 4: Simplify right side
    134,289.52x = 8,217,695,030.10
  5. Step 5: Solve for x
    x = 8,217,695,030.10/134,289.52
  6. Step 6: Final answer
    x = 61,193.87

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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.