Home / 133,579.11-184,339.25-72,325.11

Finding the Fourth Proportional to 133,579.11, 184,339.25 and 72,325.11

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Solution

The fourth proportional to 133,579.11, 184,339.25 and 72,325.11 is: 99,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,579.11 : 184,339.25 = 72,325.11 : x
  2. Step 2: Convert to fraction form
    133,579.11/184,339.25 = 72,325.11/x
  3. Step 3: Cross multiply
    133,579.11x = 184,339.25 × 72,325.11
  4. Step 4: Simplify right side
    133,579.11x = 13,332,356,097.53
  5. Step 5: Solve for x
    x = 13,332,356,097.53/133,579.11
  6. Step 6: Final answer
    x = 99,808.69

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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.