Home / 134,107.40-200,930.70-87,336.20

Finding the Fourth Proportional to 134,107.40, 200,930.70 and 87,336.20

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Solution

The fourth proportional to 134,107.40, 200,930.70 and 87,336.20 is: 130,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,107.40 : 200,930.70 = 87,336.20 : x
  2. Step 2: Convert to fraction form
    134,107.40/200,930.70 = 87,336.20/x
  3. Step 3: Cross multiply
    134,107.40x = 200,930.70 × 87,336.20
  4. Step 4: Simplify right side
    134,107.40x = 17,548,523,801.34
  5. Step 5: Solve for x
    x = 17,548,523,801.34/134,107.40
  6. Step 6: Final answer
    x = 130,854.25

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1.5x scale

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.