Home / 133,860.30-200,887.56-107,878.74

Finding the Fourth Proportional to 133,860.30, 200,887.56 and 107,878.74

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Solution

The fourth proportional to 133,860.30, 200,887.56 and 107,878.74 is: 161,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,860.30 : 200,887.56 = 107,878.74 : x
  2. Step 2: Convert to fraction form
    133,860.30/200,887.56 = 107,878.74/x
  3. Step 3: Cross multiply
    133,860.30x = 200,887.56 × 107,878.74
  4. Step 4: Simplify right side
    133,860.30x = 21,671,496,854.47
  5. Step 5: Solve for x
    x = 21,671,496,854.47/133,860.30
  6. Step 6: Final answer
    x = 161,896.37

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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.