Home / 187,027.20-279,849.60-170,438.40

Finding the Fourth Proportional to 187,027.20, 279,849.60 and 170,438.40

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Solution

The fourth proportional to 187,027.20, 279,849.60 and 170,438.40 is: 255,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,027.20 : 279,849.60 = 170,438.40 : x
  2. Step 2: Convert to fraction form
    187,027.20/279,849.60 = 170,438.40/x
  3. Step 3: Cross multiply
    187,027.20x = 279,849.60 × 170,438.40
  4. Step 4: Simplify right side
    187,027.20x = 47,697,118,064.64
  5. Step 5: Solve for x
    x = 47,697,118,064.64/187,027.20
  6. Step 6: Final answer
    x = 255,027.71

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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.