Home / 170,260.08-255,086.40-103,665.84

Finding the Fourth Proportional to 170,260.08, 255,086.40 and 103,665.84

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Solution

The fourth proportional to 170,260.08, 255,086.40 and 103,665.84 is: 155,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,260.08 : 255,086.40 = 103,665.84 : x
  2. Step 2: Convert to fraction form
    170,260.08/255,086.40 = 103,665.84/x
  3. Step 3: Cross multiply
    170,260.08x = 255,086.40 × 103,665.84
  4. Step 4: Simplify right side
    170,260.08x = 26,443,745,928.58
  5. Step 5: Solve for x
    x = 26,443,745,928.58/170,260.08
  6. Step 6: Final answer
    x = 155,313.83

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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.