Home / 119,150.64-178,725.36-55,970.43

Finding the Fourth Proportional to 119,150.64, 178,725.36 and 55,970.43

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Solution

The fourth proportional to 119,150.64, 178,725.36 and 55,970.43 is: 83,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,150.64 : 178,725.36 = 55,970.43 : x
  2. Step 2: Convert to fraction form
    119,150.64/178,725.36 = 55,970.43/x
  3. Step 3: Cross multiply
    119,150.64x = 178,725.36 × 55,970.43
  4. Step 4: Simplify right side
    119,150.64x = 10,003,335,251.10
  5. Step 5: Solve for x
    x = 10,003,335,251.10/119,150.64
  6. Step 6: Final answer
    x = 83,955.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.