Home / 149,837.34-206,727.55-106,823.83

Finding the Fourth Proportional to 149,837.34, 206,727.55 and 106,823.83

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Solution

The fourth proportional to 149,837.34, 206,727.55 and 106,823.83 is: 147,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,837.34 : 206,727.55 = 106,823.83 : x
  2. Step 2: Convert to fraction form
    149,837.34/206,727.55 = 106,823.83/x
  3. Step 3: Cross multiply
    149,837.34x = 206,727.55 × 106,823.83
  4. Step 4: Simplify right side
    149,837.34x = 22,083,428,657.52
  5. Step 5: Solve for x
    x = 22,083,428,657.52/149,837.34
  6. Step 6: Final answer
    x = 147,382.68

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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.