Home / 103,683.27-143,043.81-60,649.05

Finding the Fourth Proportional to 103,683.27, 143,043.81 and 60,649.05

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Solution

The fourth proportional to 103,683.27, 143,043.81 and 60,649.05 is: 83,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.27 : 143,043.81 = 60,649.05 : x
  2. Step 2: Convert to fraction form
    103,683.27/143,043.81 = 60,649.05/x
  3. Step 3: Cross multiply
    103,683.27x = 143,043.81 × 60,649.05
  4. Step 4: Simplify right side
    103,683.27x = 8,675,471,493.86
  5. Step 5: Solve for x
    x = 8,675,471,493.86/103,683.27
  6. Step 6: Final answer
    x = 83,672.82

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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.