Home / 170,221.50-255,332.25-45,562.50

Finding the Fourth Proportional to 170,221.50, 255,332.25 and 45,562.50

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Solution

The fourth proportional to 170,221.50, 255,332.25 and 45,562.50 is: 68,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,221.50 : 255,332.25 = 45,562.50 : x
  2. Step 2: Convert to fraction form
    170,221.50/255,332.25 = 45,562.50/x
  3. Step 3: Cross multiply
    170,221.50x = 255,332.25 × 45,562.50
  4. Step 4: Simplify right side
    170,221.50x = 11,633,575,640.63
  5. Step 5: Solve for x
    x = 11,633,575,640.63/170,221.50
  6. Step 6: Final answer
    x = 68,343.75

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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.