Home / 109,062.90-150,499.35-61,323.66

Finding the Fourth Proportional to 109,062.90, 150,499.35 and 61,323.66

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Solution

The fourth proportional to 109,062.90, 150,499.35 and 61,323.66 is: 84,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,062.90 : 150,499.35 = 61,323.66 : x
  2. Step 2: Convert to fraction form
    109,062.90/150,499.35 = 61,323.66/x
  3. Step 3: Cross multiply
    109,062.90x = 150,499.35 × 61,323.66
  4. Step 4: Simplify right side
    109,062.90x = 9,229,170,969.62
  5. Step 5: Solve for x
    x = 9,229,170,969.62/109,062.90
  6. Step 6: Final answer
    x = 84,622.46

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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.