Home / 201,851.15-278,554.85-109,969.98

Finding the Fourth Proportional to 201,851.15, 278,554.85 and 109,969.98

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Solution

The fourth proportional to 201,851.15, 278,554.85 and 109,969.98 is: 151,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,851.15 : 278,554.85 = 109,969.98 : x
  2. Step 2: Convert to fraction form
    201,851.15/278,554.85 = 109,969.98/x
  3. Step 3: Cross multiply
    201,851.15x = 278,554.85 × 109,969.98
  4. Step 4: Simplify right side
    201,851.15x = 30,632,671,283.40
  5. Step 5: Solve for x
    x = 30,632,671,283.40/201,851.15
  6. Step 6: Final answer
    x = 151,758.72

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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.