Home / 100,887.55-139,214.52-62,119.23

Finding the Fourth Proportional to 100,887.55, 139,214.52 and 62,119.23

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Solution

The fourth proportional to 100,887.55, 139,214.52 and 62,119.23 is: 85,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887.55 : 139,214.52 = 62,119.23 : x
  2. Step 2: Convert to fraction form
    100,887.55/139,214.52 = 62,119.23/x
  3. Step 3: Cross multiply
    100,887.55x = 139,214.52 × 62,119.23
  4. Step 4: Simplify right side
    100,887.55x = 8,647,898,787.22
  5. Step 5: Solve for x
    x = 8,647,898,787.22/100,887.55
  6. Step 6: Final answer
    x = 85,718.20

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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.