Home / 134,429.10-201,643.65-102,936.30

Finding the Fourth Proportional to 134,429.10, 201,643.65 and 102,936.30

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Solution

The fourth proportional to 134,429.10, 201,643.65 and 102,936.30 is: 154,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,429.10 : 201,643.65 = 102,936.30 : x
  2. Step 2: Convert to fraction form
    134,429.10/201,643.65 = 102,936.30/x
  3. Step 3: Cross multiply
    134,429.10x = 201,643.65 × 102,936.30
  4. Step 4: Simplify right side
    134,429.10x = 20,756,451,249.50
  5. Step 5: Solve for x
    x = 20,756,451,249.50/134,429.10
  6. Step 6: Final answer
    x = 154,404.45

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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.