Home / 133,730.79-184,518.30-90,716.14

Finding the Fourth Proportional to 133,730.79, 184,518.30 and 90,716.14

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Solution

The fourth proportional to 133,730.79, 184,518.30 and 90,716.14 is: 125,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,730.79 : 184,518.30 = 90,716.14 : x
  2. Step 2: Convert to fraction form
    133,730.79/184,518.30 = 90,716.14/x
  3. Step 3: Cross multiply
    133,730.79x = 184,518.30 × 90,716.14
  4. Step 4: Simplify right side
    133,730.79x = 16,738,787,935.36
  5. Step 5: Solve for x
    x = 16,738,787,935.36/133,730.79
  6. Step 6: Final answer
    x = 125,167.79

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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.