Home / 109,327.55-150,820.45-63,977.72

Finding the Fourth Proportional to 109,327.55, 150,820.45 and 63,977.72

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Solution

The fourth proportional to 109,327.55, 150,820.45 and 63,977.72 is: 88,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,327.55 : 150,820.45 = 63,977.72 : x
  2. Step 2: Convert to fraction form
    109,327.55/150,820.45 = 63,977.72/x
  3. Step 3: Cross multiply
    109,327.55x = 150,820.45 × 63,977.72
  4. Step 4: Simplify right side
    109,327.55x = 9,649,147,606.33
  5. Step 5: Solve for x
    x = 9,649,147,606.33/109,327.55
  6. Step 6: Final answer
    x = 88,259.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.