Home / 109,829.80-164,744.70-43,272.10

Finding the Fourth Proportional to 109,829.80, 164,744.70 and 43,272.10

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Solution

The fourth proportional to 109,829.80, 164,744.70 and 43,272.10 is: 64,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,829.80 : 164,744.70 = 43,272.10 : x
  2. Step 2: Convert to fraction form
    109,829.80/164,744.70 = 43,272.10/x
  3. Step 3: Cross multiply
    109,829.80x = 164,744.70 × 43,272.10
  4. Step 4: Simplify right side
    109,829.80x = 7,128,849,132.87
  5. Step 5: Solve for x
    x = 7,128,849,132.87/109,829.80
  6. Step 6: Final answer
    x = 64,908.15

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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.