Home / 170,027.20-255,030.88-64,856.80

Finding the Fourth Proportional to 170,027.20, 255,030.88 and 64,856.80

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Solution

The fourth proportional to 170,027.20, 255,030.88 and 64,856.80 is: 97,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,027.20 : 255,030.88 = 64,856.80 : x
  2. Step 2: Convert to fraction form
    170,027.20/255,030.88 = 64,856.80/x
  3. Step 3: Cross multiply
    170,027.20x = 255,030.88 × 64,856.80
  4. Step 4: Simplify right side
    170,027.20x = 16,540,486,777.98
  5. Step 5: Solve for x
    x = 16,540,486,777.98/170,027.20
  6. Step 6: Final answer
    x = 97,281.42

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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.