Home / 112,579.88-155,365.09-62,278.88

Finding the Fourth Proportional to 112,579.88, 155,365.09 and 62,278.88

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Solution

The fourth proportional to 112,579.88, 155,365.09 and 62,278.88 is: 85,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,579.88 : 155,365.09 = 62,278.88 : x
  2. Step 2: Convert to fraction form
    112,579.88/155,365.09 = 62,278.88/x
  3. Step 3: Cross multiply
    112,579.88x = 155,365.09 × 62,278.88
  4. Step 4: Simplify right side
    112,579.88x = 9,675,962,863.78
  5. Step 5: Solve for x
    x = 9,675,962,863.78/112,579.88
  6. Step 6: Final answer
    x = 85,947.54

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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.