Home / 234,997.81-324,298.88-130,223.51

Finding the Fourth Proportional to 234,997.81, 324,298.88 and 130,223.51

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Solution

The fourth proportional to 234,997.81, 324,298.88 and 130,223.51 is: 179,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,997.81 : 324,298.88 = 130,223.51 : x
  2. Step 2: Convert to fraction form
    234,997.81/324,298.88 = 130,223.51/x
  3. Step 3: Cross multiply
    234,997.81x = 324,298.88 × 130,223.51
  4. Step 4: Simplify right side
    234,997.81x = 42,231,336,821.17
  5. Step 5: Solve for x
    x = 42,231,336,821.17/234,997.81
  6. Step 6: Final answer
    x = 179,709.49

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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.