Home / 133,601.36-184,370.12-72,348.21

Finding the Fourth Proportional to 133,601.36, 184,370.12 and 72,348.21

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Solution

The fourth proportional to 133,601.36, 184,370.12 and 72,348.21 is: 99,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,601.36 : 184,370.12 = 72,348.21 : x
  2. Step 2: Convert to fraction form
    133,601.36/184,370.12 = 72,348.21/x
  3. Step 3: Cross multiply
    133,601.36x = 184,370.12 × 72,348.21
  4. Step 4: Simplify right side
    133,601.36x = 13,338,847,797.74
  5. Step 5: Solve for x
    x = 13,338,847,797.74/133,601.36
  6. Step 6: Final answer
    x = 99,840.66

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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.