Home / 125,183.60-172,749.74-73,499.83

Finding the Fourth Proportional to 125,183.60, 172,749.74 and 73,499.83

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Solution

The fourth proportional to 125,183.60, 172,749.74 and 73,499.83 is: 101,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,183.60 : 172,749.74 = 73,499.83 : x
  2. Step 2: Convert to fraction form
    125,183.60/172,749.74 = 73,499.83/x
  3. Step 3: Cross multiply
    125,183.60x = 172,749.74 × 73,499.83
  4. Step 4: Simplify right side
    125,183.60x = 12,697,075,723.17
  5. Step 5: Solve for x
    x = 12,697,075,723.17/125,183.60
  6. Step 6: Final answer
    x = 101,427.63

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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.