Home / 168,038.52-231,787.22-100,004.70

Finding the Fourth Proportional to 168,038.52, 231,787.22 and 100,004.70

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Solution

The fourth proportional to 168,038.52, 231,787.22 and 100,004.70 is: 137,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,038.52 : 231,787.22 = 100,004.70 : x
  2. Step 2: Convert to fraction form
    168,038.52/231,787.22 = 100,004.70/x
  3. Step 3: Cross multiply
    168,038.52x = 231,787.22 × 100,004.70
  4. Step 4: Simplify right side
    168,038.52x = 23,179,811,679.74
  5. Step 5: Solve for x
    x = 23,179,811,679.74/168,038.52
  6. Step 6: Final answer
    x = 137,943.44

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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.