Home / 204,947.10-307,420.65-120,966.30

Finding the Fourth Proportional to 204,947.10, 307,420.65 and 120,966.30

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Solution

The fourth proportional to 204,947.10, 307,420.65 and 120,966.30 is: 181,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,947.10 : 307,420.65 = 120,966.30 : x
  2. Step 2: Convert to fraction form
    204,947.10/307,420.65 = 120,966.30/x
  3. Step 3: Cross multiply
    204,947.10x = 307,420.65 × 120,966.30
  4. Step 4: Simplify right side
    204,947.10x = 37,187,538,574.10
  5. Step 5: Solve for x
    x = 37,187,538,574.10/204,947.10
  6. Step 6: Final answer
    x = 181,449.45

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1.5x scale

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.