Home / 149,272.94-205,779.03-113,400.68

Finding the Fourth Proportional to 149,272.94, 205,779.03 and 113,400.68

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Solution

The fourth proportional to 149,272.94, 205,779.03 and 113,400.68 is: 156,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,272.94 : 205,779.03 = 113,400.68 : x
  2. Step 2: Convert to fraction form
    149,272.94/205,779.03 = 113,400.68/x
  3. Step 3: Cross multiply
    149,272.94x = 205,779.03 × 113,400.68
  4. Step 4: Simplify right side
    149,272.94x = 23,335,481,931.74
  5. Step 5: Solve for x
    x = 23,335,481,931.74/149,272.94
  6. Step 6: Final answer
    x = 156,327.61

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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.