Home / 170,133.05-255,145.27-56,259.75

Finding the Fourth Proportional to 170,133.05, 255,145.27 and 56,259.75

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Solution

The fourth proportional to 170,133.05, 255,145.27 and 56,259.75 is: 84,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,133.05 : 255,145.27 = 56,259.75 : x
  2. Step 2: Convert to fraction form
    170,133.05/255,145.27 = 56,259.75/x
  3. Step 3: Cross multiply
    170,133.05x = 255,145.27 × 56,259.75
  4. Step 4: Simplify right side
    170,133.05x = 14,354,409,103.88
  5. Step 5: Solve for x
    x = 14,354,409,103.88/170,133.05
  6. Step 6: Final answer
    x = 84,371.67

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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.