Home / 154,903.13-213,595.56-107,073.44

Finding the Fourth Proportional to 154,903.13, 213,595.56 and 107,073.44

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Solution

The fourth proportional to 154,903.13, 213,595.56 and 107,073.44 is: 147,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,903.13 : 213,595.56 = 107,073.44 : x
  2. Step 2: Convert to fraction form
    154,903.13/213,595.56 = 107,073.44/x
  3. Step 3: Cross multiply
    154,903.13x = 213,595.56 × 107,073.44
  4. Step 4: Simplify right side
    154,903.13x = 22,870,410,309.95
  5. Step 5: Solve for x
    x = 22,870,410,309.95/154,903.13
  6. Step 6: Final answer
    x = 147,643.31

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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.