Home / 109,717.90-164,562.26-43,140.15

Finding the Fourth Proportional to 109,717.90, 164,562.26 and 43,140.15

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Solution

The fourth proportional to 109,717.90, 164,562.26 and 43,140.15 is: 64,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,717.90 : 164,562.26 = 43,140.15 : x
  2. Step 2: Convert to fraction form
    109,717.90/164,562.26 = 43,140.15/x
  3. Step 3: Cross multiply
    109,717.90x = 164,562.26 × 43,140.15
  4. Step 4: Simplify right side
    109,717.90x = 7,099,240,580.74
  5. Step 5: Solve for x
    x = 7,099,240,580.74/109,717.90
  6. Step 6: Final answer
    x = 64,704.49

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1.5x scale

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.