Home / 112,243.28-154,893.46-61,257.02

Finding the Fourth Proportional to 112,243.28, 154,893.46 and 61,257.02

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Solution

The fourth proportional to 112,243.28, 154,893.46 and 61,257.02 is: 84,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,243.28 : 154,893.46 = 61,257.02 : x
  2. Step 2: Convert to fraction form
    112,243.28/154,893.46 = 61,257.02/x
  3. Step 3: Cross multiply
    112,243.28x = 154,893.46 × 61,257.02
  4. Step 4: Simplify right side
    112,243.28x = 9,488,311,777.09
  5. Step 5: Solve for x
    x = 9,488,311,777.09/112,243.28
  6. Step 6: Final answer
    x = 84,533.45

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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.