Home / 109,142.92-150,615.66-60,744.52

Finding the Fourth Proportional to 109,142.92, 150,615.66 and 60,744.52

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Solution

The fourth proportional to 109,142.92, 150,615.66 and 60,744.52 is: 83,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,142.92 : 150,615.66 = 60,744.52 : x
  2. Step 2: Convert to fraction form
    109,142.92/150,615.66 = 60,744.52/x
  3. Step 3: Cross multiply
    109,142.92x = 150,615.66 × 60,744.52
  4. Step 4: Simplify right side
    109,142.92x = 9,149,075,971.18
  5. Step 5: Solve for x
    x = 9,149,075,971.18/109,142.92
  6. Step 6: Final answer
    x = 83,826.56

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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.