Home / 124,214.32-171,418.84-67,628.80

Finding the Fourth Proportional to 124,214.32, 171,418.84 and 67,628.80

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Solution

The fourth proportional to 124,214.32, 171,418.84 and 67,628.80 is: 93,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,214.32 : 171,418.84 = 67,628.80 : x
  2. Step 2: Convert to fraction form
    124,214.32/171,418.84 = 67,628.80/x
  3. Step 3: Cross multiply
    124,214.32x = 171,418.84 × 67,628.80
  4. Step 4: Simplify right side
    124,214.32x = 11,592,850,446.59
  5. Step 5: Solve for x
    x = 11,592,850,446.59/124,214.32
  6. Step 6: Final answer
    x = 93,329.42

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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.