Home / 170,572.23-255,650.78-120,666.71

Finding the Fourth Proportional to 170,572.23, 255,650.78 and 120,666.71

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Solution

The fourth proportional to 170,572.23, 255,650.78 and 120,666.71 is: 180,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,572.23 : 255,650.78 = 120,666.71 : x
  2. Step 2: Convert to fraction form
    170,572.23/255,650.78 = 120,666.71/x
  3. Step 3: Cross multiply
    170,572.23x = 255,650.78 × 120,666.71
  4. Step 4: Simplify right side
    170,572.23x = 30,848,539,472.33
  5. Step 5: Solve for x
    x = 30,848,539,472.33/170,572.23
  6. Step 6: Final answer
    x = 180,853.23

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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.