Home / 112,731.44-155,571.06-61,748.87

Finding the Fourth Proportional to 112,731.44, 155,571.06 and 61,748.87

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Solution

The fourth proportional to 112,731.44, 155,571.06 and 61,748.87 is: 85,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,731.44 : 155,571.06 = 61,748.87 : x
  2. Step 2: Convert to fraction form
    112,731.44/155,571.06 = 61,748.87/x
  3. Step 3: Cross multiply
    112,731.44x = 155,571.06 × 61,748.87
  4. Step 4: Simplify right side
    112,731.44x = 9,606,336,613.41
  5. Step 5: Solve for x
    x = 9,606,336,613.41/112,731.44
  6. Step 6: Final answer
    x = 85,214.36

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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.