Home / 140,574.96-193,998.27-76,912.74

Finding the Fourth Proportional to 140,574.96, 193,998.27 and 76,912.74

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Solution

The fourth proportional to 140,574.96, 193,998.27 and 76,912.74 is: 106,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,574.96 : 193,998.27 = 76,912.74 : x
  2. Step 2: Convert to fraction form
    140,574.96/193,998.27 = 76,912.74/x
  3. Step 3: Cross multiply
    140,574.96x = 193,998.27 × 76,912.74
  4. Step 4: Simplify right side
    140,574.96x = 14,920,938,500.96
  5. Step 5: Solve for x
    x = 14,920,938,500.96/140,574.96
  6. Step 6: Final answer
    x = 106,142.22

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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.