Home / 113,448.90-156,350.94-106,249.91

Finding the Fourth Proportional to 113,448.90, 156,350.94 and 106,249.91

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Solution

The fourth proportional to 113,448.90, 156,350.94 and 106,249.91 is: 146,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,448.90 : 156,350.94 = 106,249.91 : x
  2. Step 2: Convert to fraction form
    113,448.90/156,350.94 = 106,249.91/x
  3. Step 3: Cross multiply
    113,448.90x = 156,350.94 × 106,249.91
  4. Step 4: Simplify right side
    113,448.90x = 16,612,273,428.67
  5. Step 5: Solve for x
    x = 16,612,273,428.67/113,448.90
  6. Step 6: Final answer
    x = 146,429.57

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1.5x scale

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.