Home / 109,121.43-150,586.09-61,374.76

Finding the Fourth Proportional to 109,121.43, 150,586.09 and 61,374.76

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Solution

The fourth proportional to 109,121.43, 150,586.09 and 61,374.76 is: 84,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,121.43 : 150,586.09 = 61,374.76 : x
  2. Step 2: Convert to fraction form
    109,121.43/150,586.09 = 61,374.76/x
  3. Step 3: Cross multiply
    109,121.43x = 150,586.09 × 61,374.76
  4. Step 4: Simplify right side
    109,121.43x = 9,242,185,133.09
  5. Step 5: Solve for x
    x = 9,242,185,133.09/109,121.43
  6. Step 6: Final answer
    x = 84,696.33

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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.