Home / 134,429.70-201,644.55-92,439.30

Finding the Fourth Proportional to 134,429.70, 201,644.55 and 92,439.30

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Solution

The fourth proportional to 134,429.70, 201,644.55 and 92,439.30 is: 138,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,429.70 : 201,644.55 = 92,439.30 : x
  2. Step 2: Convert to fraction form
    134,429.70/201,644.55 = 92,439.30/x
  3. Step 3: Cross multiply
    134,429.70x = 201,644.55 × 92,439.30
  4. Step 4: Simplify right side
    134,429.70x = 18,639,881,050.82
  5. Step 5: Solve for x
    x = 18,639,881,050.82/134,429.70
  6. Step 6: Final answer
    x = 138,658.95

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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.