Home / 104,118.40-143,683.23-56,371.74

Finding the Fourth Proportional to 104,118.40, 143,683.23 and 56,371.74

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Solution

The fourth proportional to 104,118.40, 143,683.23 and 56,371.74 is: 77,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,118.40 : 143,683.23 = 56,371.74 : x
  2. Step 2: Convert to fraction form
    104,118.40/143,683.23 = 56,371.74/x
  3. Step 3: Cross multiply
    104,118.40x = 143,683.23 × 56,371.74
  4. Step 4: Simplify right side
    104,118.40x = 8,099,673,683.92
  5. Step 5: Solve for x
    x = 8,099,673,683.92/104,118.40
  6. Step 6: Final answer
    x = 77,792.91

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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.