Home / 234,908.32-324,152.08-139,398.56

Finding the Fourth Proportional to 234,908.32, 324,152.08 and 139,398.56

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Solution

The fourth proportional to 234,908.32, 324,152.08 and 139,398.56 is: 192,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,908.32 : 324,152.08 = 139,398.56 : x
  2. Step 2: Convert to fraction form
    234,908.32/324,152.08 = 139,398.56/x
  3. Step 3: Cross multiply
    234,908.32x = 324,152.08 × 139,398.56
  4. Step 4: Simplify right side
    234,908.32x = 45,186,333,173.00
  5. Step 5: Solve for x
    x = 45,186,333,173.00/234,908.32
  6. Step 6: Final answer
    x = 192,357.31

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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.