Home / 189,155.97-261,037.05-104,276.07

Finding the Fourth Proportional to 189,155.97, 261,037.05 and 104,276.07

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Solution

The fourth proportional to 189,155.97, 261,037.05 and 104,276.07 is: 143,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,155.97 : 261,037.05 = 104,276.07 : x
  2. Step 2: Convert to fraction form
    189,155.97/261,037.05 = 104,276.07/x
  3. Step 3: Cross multiply
    189,155.97x = 261,037.05 × 104,276.07
  4. Step 4: Simplify right side
    189,155.97x = 27,219,917,698.39
  5. Step 5: Solve for x
    x = 27,219,917,698.39/189,155.97
  6. Step 6: Final answer
    x = 143,901.98

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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.