Home / 170,171.36-255,258.84-70,262.72

Finding the Fourth Proportional to 170,171.36, 255,258.84 and 70,262.72

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Solution

The fourth proportional to 170,171.36, 255,258.84 and 70,262.72 is: 105,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,171.36 : 255,258.84 = 70,262.72 : x
  2. Step 2: Convert to fraction form
    170,171.36/255,258.84 = 70,262.72/x
  3. Step 3: Cross multiply
    170,171.36x = 255,258.84 × 70,262.72
  4. Step 4: Simplify right side
    170,171.36x = 17,935,180,402.44
  5. Step 5: Solve for x
    x = 17,935,180,402.44/170,171.36
  6. Step 6: Final answer
    x = 105,394.82

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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.