Home / 149,439.09-224,114.89-123,078.45

Finding the Fourth Proportional to 149,439.09, 224,114.89 and 123,078.45

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Solution

The fourth proportional to 149,439.09, 224,114.89 and 123,078.45 is: 184,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,439.09 : 224,114.89 = 123,078.45 : x
  2. Step 2: Convert to fraction form
    149,439.09/224,114.89 = 123,078.45/x
  3. Step 3: Cross multiply
    149,439.09x = 224,114.89 × 123,078.45
  4. Step 4: Simplify right side
    149,439.09x = 27,583,713,283.12
  5. Step 5: Solve for x
    x = 27,583,713,283.12/149,439.09
  6. Step 6: Final answer
    x = 184,581.65

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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.