Home / 136,037.00-203,938.64-47,278.98

Finding the Fourth Proportional to 136,037.00, 203,938.64 and 47,278.98

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Solution

The fourth proportional to 136,037.00, 203,938.64 and 47,278.98 is: 70,877.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,037.00 : 203,938.64 = 47,278.98 : x
  2. Step 2: Convert to fraction form
    136,037.00/203,938.64 = 47,278.98/x
  3. Step 3: Cross multiply
    136,037.00x = 203,938.64 × 47,278.98
  4. Step 4: Simplify right side
    136,037.00x = 9,642,010,645.39
  5. Step 5: Solve for x
    x = 9,642,010,645.39/136,037.00
  6. Step 6: Final answer
    x = 70,877.86

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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.