Home / 559,947.56-839,921.96-139,223.48

Finding the Fourth Proportional to 559,947.56, 839,921.96 and 139,223.48

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Solution

The fourth proportional to 559,947.56, 839,921.96 and 139,223.48 is: 208,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,947.56 : 839,921.96 = 139,223.48 : x
  2. Step 2: Convert to fraction form
    559,947.56/839,921.96 = 139,223.48/x
  3. Step 3: Cross multiply
    559,947.56x = 839,921.96 × 139,223.48
  4. Step 4: Simplify right side
    559,947.56x = 116,936,858,199.62
  5. Step 5: Solve for x
    x = 116,936,858,199.62/559,947.56
  6. Step 6: Final answer
    x = 208,835.37

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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.