Home / 123,210.39-184,838.36-38,991.75

Finding the Fourth Proportional to 123,210.39, 184,838.36 and 38,991.75

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Solution

The fourth proportional to 123,210.39, 184,838.36 and 38,991.75 is: 58,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210.39 : 184,838.36 = 38,991.75 : x
  2. Step 2: Convert to fraction form
    123,210.39/184,838.36 = 38,991.75/x
  3. Step 3: Cross multiply
    123,210.39x = 184,838.36 × 38,991.75
  4. Step 4: Simplify right side
    123,210.39x = 7,207,171,123.53
  5. Step 5: Solve for x
    x = 7,207,171,123.53/123,210.39
  6. Step 6: Final answer
    x = 58,494.83

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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.