Home / 250,944.09-346,305.36-136,223.64

Finding the Fourth Proportional to 250,944.09, 346,305.36 and 136,223.64

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Solution

The fourth proportional to 250,944.09, 346,305.36 and 136,223.64 is: 187,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,944.09 : 346,305.36 = 136,223.64 : x
  2. Step 2: Convert to fraction form
    250,944.09/346,305.36 = 136,223.64/x
  3. Step 3: Cross multiply
    250,944.09x = 346,305.36 × 136,223.64
  4. Step 4: Simplify right side
    250,944.09x = 47,174,974,686.97
  5. Step 5: Solve for x
    x = 47,174,974,686.97/250,944.09
  6. Step 6: Final answer
    x = 187,989.98

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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.