Home / 149,132.19-223,698.29-122,781.57

Finding the Fourth Proportional to 149,132.19, 223,698.29 and 122,781.57

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Solution

The fourth proportional to 149,132.19, 223,698.29 and 122,781.57 is: 184,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,132.19 : 223,698.29 = 122,781.57 : x
  2. Step 2: Convert to fraction form
    149,132.19/223,698.29 = 122,781.57/x
  3. Step 3: Cross multiply
    149,132.19x = 223,698.29 × 122,781.57
  4. Step 4: Simplify right side
    149,132.19x = 27,466,027,477.48
  5. Step 5: Solve for x
    x = 27,466,027,477.48/149,132.19
  6. Step 6: Final answer
    x = 184,172.36

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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.