Home / 112,271.52-154,938.24-61,969.44

Finding the Fourth Proportional to 112,271.52, 154,938.24 and 61,969.44

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Solution

The fourth proportional to 112,271.52, 154,938.24 and 61,969.44 is: 85,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,271.52 : 154,938.24 = 61,969.44 : x
  2. Step 2: Convert to fraction form
    112,271.52/154,938.24 = 61,969.44/x
  3. Step 3: Cross multiply
    112,271.52x = 154,938.24 × 61,969.44
  4. Step 4: Simplify right side
    112,271.52x = 9,601,435,967.39
  5. Step 5: Solve for x
    x = 9,601,435,967.39/112,271.52
  6. Step 6: Final answer
    x = 85,519.78

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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.