Home / 140,350.84-193,683.96-79,921.50

Finding the Fourth Proportional to 140,350.84, 193,683.96 and 79,921.50

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Solution

The fourth proportional to 140,350.84, 193,683.96 and 79,921.50 is: 110,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,350.84 : 193,683.96 = 79,921.50 : x
  2. Step 2: Convert to fraction form
    140,350.84/193,683.96 = 79,921.50/x
  3. Step 3: Cross multiply
    140,350.84x = 193,683.96 × 79,921.50
  4. Step 4: Simplify right side
    140,350.84x = 15,479,512,155.19
  5. Step 5: Solve for x
    x = 15,479,512,155.19/140,350.84
  6. Step 6: Final answer
    x = 110,291.55

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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.