Home / 149,139.41-223,709.16-122,788.81

Finding the Fourth Proportional to 149,139.41, 223,709.16 and 122,788.81

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Solution

The fourth proportional to 149,139.41, 223,709.16 and 122,788.81 is: 184,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,139.41 : 223,709.16 = 122,788.81 : x
  2. Step 2: Convert to fraction form
    149,139.41/223,709.16 = 122,788.81/x
  3. Step 3: Cross multiply
    149,139.41x = 223,709.16 × 122,788.81
  4. Step 4: Simplify right side
    149,139.41x = 27,468,980,423.95
  5. Step 5: Solve for x
    x = 27,468,980,423.95/149,139.41
  6. Step 6: Final answer
    x = 184,183.24

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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.