Home / 170,284.12-255,426.24-70,334.47

Finding the Fourth Proportional to 170,284.12, 255,426.24 and 70,334.47

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Solution

The fourth proportional to 170,284.12, 255,426.24 and 70,334.47 is: 105,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,284.12 : 255,426.24 = 70,334.47 : x
  2. Step 2: Convert to fraction form
    170,284.12/255,426.24 = 70,334.47/x
  3. Step 3: Cross multiply
    170,284.12x = 255,426.24 × 70,334.47
  4. Step 4: Simplify right side
    170,284.12x = 17,965,269,214.49
  5. Step 5: Solve for x
    x = 17,965,269,214.49/170,284.12
  6. Step 6: Final answer
    x = 105,501.73

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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.