Home / 134,515.10-201,772.65-119,999.90

Finding the Fourth Proportional to 134,515.10, 201,772.65 and 119,999.90

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Solution

The fourth proportional to 134,515.10, 201,772.65 and 119,999.90 is: 179,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,515.10 : 201,772.65 = 119,999.90 : x
  2. Step 2: Convert to fraction form
    134,515.10/201,772.65 = 119,999.90/x
  3. Step 3: Cross multiply
    134,515.10x = 201,772.65 × 119,999.90
  4. Step 4: Simplify right side
    134,515.10x = 24,212,697,822.74
  5. Step 5: Solve for x
    x = 24,212,697,822.74/134,515.10
  6. Step 6: Final answer
    x = 179,999.85

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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.