Home / 140,913.98-194,240.40-106,785.85

Finding the Fourth Proportional to 140,913.98, 194,240.40 and 106,785.85

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Solution

The fourth proportional to 140,913.98, 194,240.40 and 106,785.85 is: 147,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,913.98 : 194,240.40 = 106,785.85 : x
  2. Step 2: Convert to fraction form
    140,913.98/194,240.40 = 106,785.85/x
  3. Step 3: Cross multiply
    140,913.98x = 194,240.40 × 106,785.85
  4. Step 4: Simplify right side
    140,913.98x = 20,742,126,218.34
  5. Step 5: Solve for x
    x = 20,742,126,218.34/140,913.98
  6. Step 6: Final answer
    x = 147,197.08

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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.