Home / 170,710.20-256,179.58-70,870.48

Finding the Fourth Proportional to 170,710.20, 256,179.58 and 70,870.48

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Solution

The fourth proportional to 170,710.20, 256,179.58 and 70,870.48 is: 106,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,710.20 : 256,179.58 = 70,870.48 : x
  2. Step 2: Convert to fraction form
    170,710.20/256,179.58 = 70,870.48/x
  3. Step 3: Cross multiply
    170,710.20x = 256,179.58 × 70,870.48
  4. Step 4: Simplify right side
    170,710.20x = 18,155,568,983.17
  5. Step 5: Solve for x
    x = 18,155,568,983.17/170,710.20
  6. Step 6: Final answer
    x = 106,353.16

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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.